EOTopo is a high resolution topographic map of Australia that is feature-rich with verified point of interest & campsite markers. Australia-wide road and track coverage is extensive and has been fully updated in our latest 2018 version. From this page you can read about the product and determine which format is right for your needs. Please check the Help & FAQ section on this page for detailed information. You can also view the EOTopo online map from this page - noticing that as you zoom more detail is revealed, right through to 1:18,000 scale (18K). EOTopo comes in various product sets, with a range of output formats, scales and file formats as described below.
Created: November 2013
Revised: November 2018
Latest Feedback: June 2018

EOTopo Description

EOTopo 2018

EOTopo is a high resolution topographic map of Australia that is designed for touring and 4WD explorations, yet provides enough street detail to find your way around regional localities and small towns. EOTopo is the best map available for people that love touring, camping, and exploring and is suitable for all on-road and offroad adventures.

The map displays everything of relevance to travellers, including natural landforms and man-made structures. Symbols show location of bush camps, caravan parks, aboriginal communities, stations/homesteads, roadhouses, airstrips, quarantine, P-Bays and other infrastructure, plus natural features including rivers, lakes, mountains. Names are shown for towns, localities, aboriginal land, roads/tracks, as well as distance markers in kilometres. A conflation of road data sources allows the map to have the optimum detail for use whether in urban areas or in outback areas. This is due to the street level roads data being derived from the latest OSM source and outback road data derived from the ExplorOz Topo Roads source utilising field-checked data recorded whilst driving using GPS. This results in the entire source data being highly detailed to the best possible level for the whole of Australia, without any need to use any other map source. This is the only map you'll ever need for travelling Australia, whether you drive the highways or explore the remote desert regions.

The full EOTopo whole of Australia map is available to view online for free. This online version utilises our own mapping engine so you can view the map without using any other mapping software. The map can be zoomed with more detail revealed as you zoom in closer with a max zoom visible at Level 16. At this level, you are viewing the map data at 1:18,000 map scale (18K). You can view EOTopo online free on the ExplorOz website using any device that has a web browser (ie. Chrome, Safari) or within our GPS Navigation app ExplorOz Traveller.

EOTopo Offline

EOTopo 2018 can be used offline by purchasing a lifetime license to download map files that must be installed into compatible software to view/use for navigation. The map data is extracted from the master source using the latest in raster tile production techniques to ensure best quality resolution is maintained whilst keeping file sizes manageable and practical for today's modern devices and internet speed. For this reason, we can deliver the most detailed offline map of Australia on the market today, at a scale of 144K in a 4.3GB ECW file. Purchase of the EOTopo map license enables you to select from the full set of raster file formats for a range of map scales up to 144K. Simply select and download the files that are relevant to you, ensuring you have compatible mapping software with which you will open/view the map files (eg. OziExplorer, Track Ranger, Hema Navigator HN7). Note: we only provide map files in ECW and OZF formats. Please check your navigation software manual for compatibility.

TIP: if you'd like to see the level of detail that is available in these offline maps, simply set the zoom level to number 13 in the EOTopo online map screen. At that level you are viewing map data at a scale of 144K.

NOTE: customers who purchase EOTopo will get a dual license that also activates the Premium Offline Map Pack in the ExplorOz Traveller app. For more information see ExplorOz Traveller.

Map Legend

A link to the map legend is shown in the bottom right corner of the map, or you can go direct from this link - EOTopo Map Legend

User Licence

EOTopo purchased from ExplorOz is licenced to a single customer by name/email address, which is registered in our database. Each licence allows use on any device owned/used by that customer.

Lifetime Upgrade Plan

Because roads and other topographic features can change, updates are required to keep maps current. We intend to keep updating EOTopo and offer new release updates periodically. For this reason, we offer our customers access to an Upgrade Plan that will stay with them for the lifetime of the product. Whilst a cost is involved, this is kept to a minimum. Licensed users will receive notification of a major release along with instructions/options for how to obtain the upgrade. To qualify for the upgrade pricing you must log into your registered ExplorOz account to validate your past order history and then enter the Promo Code "EOTopoUpgrade". Your discounted price will be automatically recalculated. If you have troubles do not proceed with your order. Contact us for any purchase problems using the details provided on the Contact Us Page of this website.


User Licence

EOTopo is licenced to a single customer by name, which is registered in our database. Each licence allows use on any personal devices owned/used by that customer.


The data provided via this download service (MEDIA) contains material which is Copyright I.T. Beyond Pty Ltd. All information, text, material, graphics and software (CONTENT) on the MEDIA are Copyright © 2018 I.T Beyond Pty Ltd. The CONTENT is protected by Australian and international copyright and trademark laws. You must not modify, copy, reproduce, republish, upload to a third party, post, transmit or distribute this CONTENT in any way except as provided for in this User Licence.

Disclaimer & Limitation of Liability

I.T. Beyond Pty Ltd provides no warranty regarding the accuracy, completeness, currency or suitability for any particular purpose for CONTENT provided on this MEDIA.

EOTopo incorporates Data which is © Commonwealth of Australia (Geoscience Australia) 2008. The Data has been used in EOTopo with the permission of the Commonwealth. The Commonwealth has not evaluated the Data as altered and incorporated within EOTopo, and therefore gives no warranty regarding its accuracy, completeness, currency or suitability for any particular purpose.

EOTopo incorporates Data which is © OpenStreetMap contributors.

EOTopo Online 2018

EOTopo History

For many years, EOTopo maps have been available for online viewing on the ExplorOz website (free).
In 2013, EOTopo was released for sale in a 200K raster mapset (download or USB/SD).
In 2016, a Premium 144K tiled raster zoom EOTopo mapset was released exclusively for the ExplorOz Traveller app (download in-app).

In February 2018 we released a major update of the entire data source, featuring increased zoom scales in the raster product from 200K to 144K and increased zoom scales in the online product from 144K to 18K. The online product remains free but can now be viewed either via a web-browser, or through the ExplorOz Traveller app at 18K scale. The offline raster maps are now only available to download (no USB/SD option sorry).

The raster mapset contains a few different map file formats to allow import into different platforms (not compatible with iPad/iPhone). It is ideally suited for users of OziExplorer mapping software, and Hema Navigators. These maps can be purchased and downloaded directly from ExplorOz via our online shop ( EOTopo Raster).

The EOTopo 2018 Release contains the Standard raster mapset (200K) PLUS a new Premium raster mapset (144K).

What's New in the 2018 Release?

Release 2018 is a major update which brings street level details into the road network using the latest OpenStreetMap (OSM) dataset. However, this was not a straight data conversion process. The OSM data is seriously lacking regional and outback data and has many metadata issues, so a major part of the 2018 release was bringing these data sources together, which involved a massive task of data conflation (a process to evaluate each data element and a keep/reject or update function was applied to the topo databases). This conflation then allowed the production of a map that contains the best bits from each of the databases. This process also involved addressing metadata issues and dealing with high scale data in a mid scale product. The 2018 product in vector and online formats is being rendered to down to a 1:18K scale with good accuracy with the possibility of getting close to 1:1.1K in our vector based products. In the 2018 release new places extracts from Dec 2017 were used and a large number of datasources were updated including, ABS Mesh Boundaries, Native Title, Water Bodies, Oceans & Seas, coupled with OSM datasources.

Summary of Previous Release Updates

Whilst you can read each specific update in the section heading below (see EOTopo Updates), the following is a brief summary of EOTopo updates prior to the 2018 Release.

Release 2015.1 was a minor release to Release 2015 (October 2014) and features the addition of a new 'Deformation Areas' data layer. This update only affects the the 200K series maps and all other scales have retained the 2015 version numbers.

During the 2015.1 update a new import of the ExplorOz Places data was undertaken and the POI data both on the 200K maps and in the Name Search files is current as at 19 Jan 2015. Additionally, on the 200K maps the POI symbol images were reduced in size by approx 20%. This recovers some map detail around the POI's whilst maintaining good readability and clarity of the symbols.

2015 was a major update to Release 2014.3 with significant updates to a large number of data layers including Road Names and Road styling, the inclusion of road distance markers, and the inclusion of symbols showing Campsites and Point of Interest features. The Place Name data source has been completely replaced to that used in 2014.3.

EOTopo Updates

The following blogs allow you to review exactly what changes have occurred in each version update to EOTopo.
09 Feb 2018 - 2018 (Standard & Premium Raster Release)
The 2018 version of EOTopo Raster Maps were released today for sale (via the ExplorOz online shop).The 2018 release contains 2 options, either the Standard or Premium mapsets.

The Standard map set contains a collection of map files for the whole of Australia and separate State files in a range of map scales. The most detailed scale in the Standard product is 200K (which is the same scale as previous releases of EOTopo).

The Premium map set contains all the same map files and formats as the Standard map set but with the added inclusion of maps in the 144K scale.
Both products contains duplicate maps, one set in ECW format, and another set in OZF format.


The OZF 144K map set in EOTopo Premium does not include a single Australia file due to technical limitations with file size. However you just use the 6 State 144K files or the ECW 144K Australia file. Whilst OZF is optimised for use in OziExplorer, the ECW file is also compatible.

What's Changed?

- Release 2018 is a major update which brings street level details into the road network using the latest OpenStreetMap dataset. This however is not a straight data conversion process, the OSM data is seriously lacking regional and outback data and has many metadata issues. A major part of the 2018 release and bringing these data sources together involved a massive task of data conflation (a process to evaluate each data element and a keep/reject or update function was applied to the topo databases). This conflation then allowed the production of a map that contains the best bits from each of the databases. This process also involved addressing metadata issues and dealing with high scale data in a mid scale product. The 2018 product in vector and online formats is being rendered to down to a 1:18K scale with good accuracy with the possibility of getting close to 1:1.1K in our vector based products which we intend to release later in the year.
- In the 2018 release new places extracts from Dec 2017 were used and a large number of datasources were updated including, ABS Mesh Boundaries, Native Title, Water Bodies, Oceans & Seas, coupled with OSM datasources.
- State, Regions and Suburb data has been obtained from the Australia Bureau of Statistics using a mix of November and December 2017 data.
- Native Title boundarys has been obtained from the Australian Government and in this release is using December 2017 data.
08 Feb 2018 - 2018 (Traveller Premium Offline Map Release)
As part of our rollout of the new EOTopo 2018 maps, we have released a new version of the ExplorOz Traveller app. Existing app users need to install the latest update, which is Version 3.0.0 (now available in the Playstore for Android, and in the App store for iPad and iPhone, and Windows Store for Windows 10 devices).
App users who already own the EOTopo Premium Offline Mapset can update to the 2018 mapset for free within the app.
17 Jan 2018 - 2018 (Online Release)
EOTopo 2018 online has been in Beta since December 2017 but went to production today. This process takes a few days to load all the zoom levels but once complete EOTopo online will be a fully zoomable whole of Australia map to a scale of 18K (zoom level 16) - making EOTopo online the highest zoom scale of the product set. Later in 2018 this is going to be updated to a vector map.

Offline Raster Mapsets:

We have also nearly completed the production of the EOTopo2018 data for the offline mapsets. Release of offline EOTopo mapsets is imminent for February 2018.
Offline EOTopo 2018 raster mapsets will include raw map files in ECW, OZF4 and TIFF for download and will be offered in both a 200K mapset and a 144K mapset. Existing owners of the the older 200K version will be able to update to the Standard 200K Download for $20, or $40 to upgrade to the Premium 144 Download.

ExplorOz Traveller:

A new version of the app will be released to enable app users to access the EOTopo 2018 maps. App users will be advised when this is ready for release - expected February 2018. There will be no charge for upgrades to the Premium Offline Map Pack and purchase price will remain the same as currently. EOTopo 2018 online maps will also be accessible at the new increased scale of 18K through the app, whilst offline maps will remain 144K.
13 Dec 2017 - 2018 (BETA)
EOTopo 2018 BETA has been published for preview to generate feedback from the audience prior to public release for sale in 2018.

This is an online preview intended to show the roads update that has been the major component of this update. To view the new data, please visit the EOTopo page and click on EOTopo Online.

During 2018 BETA, EOTopo online will continue to show a max zoom of Level 13, which is a map scale of 144K (1:144,000). Once we go to production, we will be adding 3 additional zoom levels to a max of Level 16, which is a map scale of 18K (1:18,000).
30 Jan 2015 - 2015.1 (Online, Download & Media)
A new minor version of EOTopo was released today being 2015.1. This update added a data layer that was removed from previous release of EOTopo as it was at the time decided that the 'Shaded Relief' layer would supersede the 'Deformation Areas' layer. A re-evaluation of the 'Deformation Areas' data layer was undertaken and a decision to re-instate this data was made. This update only affects the the 200K series maps and all other scales have retained the 2015 version numbers.

During this update a new import of the ExplorOz Places data was undertaken and the POI data both on the 200K maps and in the Name Search files is current as at 19 Jan 2015. Additionally on the 200K maps the POI symbol images were reduce in size by approx 20% this recovers some map detail around the POI's whilst maintaining good readability and clarity of the symbols.

See EOTopo Online & EOTopo Downloads.
22 Oct 2014 - 2015 (Download)
The EOTopo download service was launched today enabling customers to purchase the 200K mapset via download (includes all files contained on the SD/USB plus additional formats such as MMR and TIF). Upgrade purchases can also be obtained via download.

The all new download page also contains the previously available free files.

To access the downloadable files in the EOTopo 200K mapset simply purchase the EOTopo 200K Download from the ExplorOz Shop. The download links are time limited and tagged to your registered ExplorOz user profile and computer. The window will refresh after the expiry timeout to ensure your links will always work.
09 Oct 2014 - 2015 (Online & 200K mapset - all versions)
A major update to EOTopo 200K was released today - known as Release 2015. EOTopo 200K is available on either a micro SD card, or a USB exclusively from the ExplorOz online shop.

All customers with earlier editions of EOTopo 200K are able to upgrade to the latest version by using the promo code that will be sent individually by email. As per our Lifetime Upgrade Plan, customers can elect to purchase the latest version of EOTopo 200K at the discount provided and via the method offered at the time. Currently, the method offered to existing customers to obtain the upgrade to Release 2015 is to purchase a new copy on hard media (SD/USB) via the ExplorOz online shop (using the supplied promo code to obtain the discount), although we will release a download upgrade option by November 2014.

What's Changed in Release 2015?

* added extensive road name labelling Australia-wide
* added road distance notations to major sealed and unsealed roads (>1km with +/- 0.5km rounding)
* added greater detail to Vic High Country
* added roads to Adelaide, Melbourne, Sydney, Perth, Darwin, Brisbane
* major road realignments around Brisbane, Adelaide
* added 5600 Camps/Accommodation POIs symbols to the map. Free camps (green tent icon), camps with fee (red tent icon), caravan parks (blue caravan icon), hotel/resorts (brown H icon).
* added over 1500 Point of Interest features to the map Australia wide. These are indicated with a camera icon.
* added 64 Roadhouses to the map. Indicated with a black R symbol.
* added the latest Native Title Register (dated 2014) to show boundaries and names of determined aboriginal land.
* removed many legacy data features & added newer data from ExplorOz Places database - these are all names & positions for Camps/Accommodation features, all Population features (Capital City, Suburb, Town, Place Name, Aboriginal Community, Station/Homestead), all Recreation/Point of Interest features, all Service/Quarantine features, all Infrastructure/UHF repeaters, and Infrastructure/P-Bay features, all Geography - Bay, Inlet, Cove, Beach, Cape, Headland, Point, Mountain, Peak, Hill, Pass, Gap, Island features, and all Heritage/Shipwreck features.
* modified colour & styling of all text labels to improve readability
* modified colour & styling of road lines

EOTopo Online

EOTopo online is now also showing Release 2015 mapping. As previously, EOTopo online is a very different product to EOTopo200K as it is a vector-mapping system that allows map zooming with a wide range of map scales. EOTopo online is a free use product and requires an internet connection. See the EOTopo online tab for more details.
17 Dec 2013 - 2014.2 (Online, 1M & 2.5M )
So what happened to 2014.1 - well we released two maps with this label being the new downloadable 2.5M & 1M scale maps. There was an issue with the Non-Perennial lakes and some other labels. We already had 200 downloads so it was decided to that 2014.1 needed to be updated to 2014.2 to ensure no confusion about which is the correct map. If you downloaded these and they say 2014.1 in the upper left information panel then please come back and download the 2014.2 versions.

As mentioned there are now downloads available of EOTopo maps in ECW, OZF, TIF & MMF. These are available on the EOTopo page. A 2.5M map is freely available to everyone, the 1M map is for existing EOTopo 200K customers - these maps have been released at 2014.2 with the updates mentioned below included.

2014.2 Updates:

Unsealed Roads: These layers have been fully re-labelled, priority, size, style and placement in order to ensure the best readability and ability to place as many labels on the map as possible. The new labels are done in black text and do not use the FOLLOW placement model - they use AUTO ANGLE placement. Priority adjusted to 8. This was updated and tested looking at the Mt Baw Baw area of the Vic High Country. So to see the results of this action zoom into this area on the map - use the Search system and look for 'Baw Baw'.

Airport Labels: The label min scale was set to 150K thus the Airport labels were not output on the 200K product. This min has been adjusted to 250K and the font set to wrap on space character with max-length 10.
Dam Walls: Name label added to output. Name field adjusted to Title case.
Seas: Added Ocean name labels at zoom scales less than 3M.
Lakes, Waterbody and Watercourses: Adjust the label priority to 3 to make it overwrite Reserve labels when there is a name available.

Lakes: Non-Perennial lakes were not appearing correctly on the map. This has been fully rectified.
Added label to MarineHazardPoints and MarineHazardAreas for Offshore Rocks that have a name.

Railways: Added abandoned lines and corrected label issues with name and gauge information.
02 Dec 2013 - 2014 (Online & 200K Release)
Roads Update:
4681 LINE item updates/additions have been made to the base roads data of 460363 LINE items. These updates have been applied as per the update grid image below:
Orange squares have been checked to 1:200K scale, Red have been checked and updated to 1:50K scale or better, Clear are yet to be checked, The Green lines are the actual roads that have been updated.

The main bulk of the updates has been main road realignments and additions in the capital cities. These updates have been sourced from user treks, emailed updates, stored data, online map and satellite sources.

The size of the text field for Textnote has been increased in roads to ensure all labels fit. Long labels have been re-worded. The Textnote field contains data such as restrictions, walk track follows, and other on-road notations.

Walking Tracks: A whole new Heysen trail route has been added based on the latest alignments. The base data was missing many sections of this trail, so the entire trail was replaced with new data. The source level accuracy of this added data is better than 1:10K. Adjusted font size max and line width for all Walking Tracks to ensure easier identification and ability to follow all lines.

Vertical Obstructions: Layer set to Title case. Updated output to ensure NAME and feature type will be displayed for elements that have a name. Affects: Tower, Lookout, Chimney, Mast, Wind Turbine & Silo. Removed duplicate titles from Textnote field to ensure no items are called "Black Mountain Tower Tower", for example.

Adjusted font size max for cleared lines. There was no max value so it was possible for fonts to get too large when viewed in EOTopo Online at 1:54K scale.

200K Product: The whole country and each of the state images now includes a full legend with scalebar.

This is a major update and therefore a new version of EOTopo 200K has been created. The latest version is now 2014. All stock in our warehouse is being switched over to 2014 and orders for the product will be held till the new 2014 stock arrives in the warehouse, which is expected 5th December.
As of today, 1st December, all customers will receive the latest version.

2013.3 Under the Lifetime Upgrade Policy, customers who have previously purchased the 2013.3 release will be able to access the new version if desired. Details will be sent to directly to those customers.
22 Nov 2013 - 2013.4 (Update)
We have an excellent process running now in terms of the updates. We are rationalising the user supplied data from UserTreks and verifying the accuracy of these routes. We are building a really accurate view of this data and overlaying this on the main mapping product and we are able to adjust the road network with a really high level of accuracy. Before the roads data is updated we validate the data against the existing roads network, cross check it with Satellite and street level data and then apply updates.

We have a new update key and are able to track the progress across the team. Here is a snap shot of the update work this week.
The key is as follows:
Red: All road data validated to 50K including all known names and alignments
Orange: All primary road data validated to 200K
Green: Road network updated but not validated to Orange level
No Colour: Well these have not been done as yet

So as you can see the whole of VIC is updated and this includes things link Eastlink, Mornington & Geelong Bypasses, the list is actually huge in VIC they have built a lot of roads.

I am loading this new road database and several other layer updates to the server tonight and will start a flush of the tiles but this is not going to affect the release number - really it is a backup measure for me to ensure work to date is backup up on the web servers.

The 2013.5 release is scheduled to go online still on the 1st Dec.


13 Nov 2013 - 2013.4 (Online)
As promised the task of road data updates has started and these minor updates (well the task is major but the result is sort of minor) are being released into the online product as they are competed. There are a great number of updates needed before the next major release of the 200K product but work is under-way.

All road names converted to title case.
Database fields rationalised to remove unwanted GeoScience fields.
Added new updated date field.
Set-up correct GIS environment to support road data management.
Converted the ExplorOzTile.map file to support new data select fields and naming changes.

Roads Updates
WA: Full re-alignment Forrest Hwy, Kwinana Fwy (North & South), Indian Ocean Drive and supporting nearby roads, minor realignments in the Perth City area.
NSW: Full re-alignment Pacific Hwy, Sydney to Brisbane including all new 2013 dual carriageway adjustments. Supporting side roads and minor regional city adjustments to support major update to Pacific Hwy.

These updates are now visible in the EOTopo Online system.

NOTE: Your browser caching may not push update all tiles to your browser as there is a 7 day cache setting so if you have recently used the Online system and looked at a certain area you may not get the latest tiles. You can clear your browser cache if you really want to see the latest tiles.
01 Nov 2013 - 2013.3 (Online & 200K Release)
Another few solid weeks on EOTopo and we have now released the latest update to the online map server system. In this update we have finalised the Geoscience data layers and installed all available layer into the product. One thing we found was the the standard filters applied to produce the NatMap products made some attributes and features not visible on the Topo maps. We have addressed this and updated the filters to support our production 200K series output desire. So you are in fact getting more data on the EOTopo than was shown in the Natmap Topo products.

We also increased the slopeshade display percentage for this release to make the relief really stand out.

We have also published a legend for the maps and this is available from the EOTopo Online page or if you want to have a look now see the EOTopo 200K Legend.

The tiles server is building the tiles on demand at the moment so some mapping tile displays may appear to be slow. If they are slow it is because you are the first to request the display in a certain area so in the background our map server will build the map and deliver the image to your computer (this takes about 10-15secs). Once it has built these tiles they are cached on our server system so that subsequent people who want the same tile will just get the image directly from cache.

Hope you enjoy the latest updates to EOTopo Online, all ExplorOz map displays will be implementing these updates automatically.
11 Oct 2013 - 2013.2 (Online)
Well it did not take long to roll from 2013.1 to 2013.2 What has changed? Well a lot has happened in the last 48 hours, including the loss of my master development copy of everything I have done for the last 12 years (thanks Skydrive I will never use you again). I was able to recover from several backup sources and as it stands I believe I am 95% back to current.

In terms of EOTopo however, I when I was testing the 2013.1 release I did not notice for several days that the palette table I was using (this is a colour reduction template to bring the images down in size and colour complexity) was the old one from the last tile set. This made the fancy new hill and slope shading look average. So decided to make a new template this morning and the result is back to awesome.

Whist I was rebuilding the template I decided to have another look at road labels as I was not happy with the labels as they were too hard to read. So in 2013.2 we have all new road labels using a different font, outline colour and size.

These are the main updates to the system and as at 12pm AEST 11th Oct the tiles are being rebuilt in the tile server - so for the next few days these tiles will be built progressively as people request areas of the map that have not yet been opened. If you see a pause in tile delivery this is most likely what is going on and it should complete the tile delivery within a few seconds so please wait it will reduce the load on the tile building programs.

Anyway hope you like the latest and most awesome release of EOTopo. TO view the full set in the new full screen viewer go to EOTopo Full Screen
09 Oct 2013 - 2013.1 (Online)
The online mapping server now supports the latest version of EOTopo. This new map set integrates the latest topographic map data for the whole of Australia with DEM Shaded Relief and ExplorOz data to produce the latest series of online topographic maps available for Australia.

Release 2013.1 includes the full unfiltered GeoScience S3 Topo 250K data, SRTM DEM data and ExplorOz places data. This new topographic map set has been designed to scale best at 1:200,000 and is customised to render on electronic devices. Additionally the maps have been set-up for the best possible rendition of road data to suit on & off road based travellers.

Paper specific data has been removed such as grid lines, map indexes and graticule's to keep the maps clean and free of elements that are not needed for maps used in digital devices

The addition of altitude colour, slope & hill shaded relief is a first in Australian online topographic mapping and provides a 3D look to a 2D map.

The ExplorOz Treks road network has also been added to the map set to provide the latest updated road network for ExplorOz supported treks. The treks data is supported via a dashed purple line. UHF repeaters and several other Places data layers have been integrated to ensure the positional data is as accurate and updated as possible.

Additionally the ExplorOz tile server that renders the data to the Internet has been updated to support the latest methods of tile generation via the production of tile grids on request. The tile grids are a 5 x 5 tile image that is then cut into the 25 separate 256x256 standard tiles. This method ensures the best possible label layout and a consistent colour blend across a range of tiles.

If you want to have a good look at the latest map set check out EOTopo Full Screen. This now replaces the base map layer shown in ExplorOz Places (and also ExplorOz Trek Notes, User Treks, EOTrackMe, Shop, and all mapping outputs) in topo view.
NOTE: If you notice errors, omissions or wish to supply any updates please provide as much information as possible and send this as email to updates@eotopo.com. We would generally suggest GPX format for any road data. Screen captures, or annotated images for any other error or omission reports. We will ensure that every submission is managed and added to the product.

Help & FAQ

The purpose of this FAQ section is to outline the different setup processes (and options) for buyers of EOTopo – simply find the information that applies to you.
About EOTopo Digital Maps
EOTopo is not an app - nor is it a mapping system. EOTopo is a map of Australia that is digitally produced and distributed for sale in a number of different formats to suit the most popular range of mapping software systems in use today.
To use these maps you will need to have a device with GPS mapping capability (of which there are many options). Some devices have their own in-built mapping software (such as the HN6 and HN7), whilst other devices (such as PCs, and Android tablets/phones) require you to install apps or mapping software.
Depending which device and software you have running, you may or may not be able to use EOTopo maps so before you buy our maps you must know what your needs are.
To keep it simple, you'll find that we offer only 2 options for purchasing EOTopo. Please check each option and consider which is right for you:
Option 1: If you have the Traveller app you will need the ExplorOz Traveller Premium Mapset. To get the maps, you will need to purchase an EOTopo license either in-app (payable to iTunes, Google, or Windows), or through our online shop. Your license is stored in your ExplorOz login, so when you log into the app, you will then be able to download the files to your device directly through the apps in-built Data Manager. These map files cannot be transferred to any other device, however if you have the app on another device you can login to the app with your same account and download the files via the same process using the Data Manager.
Option 2: If you use a different mapping system, then check if it allows the importing of maps in "raster" format. If you use OziExplorer, TrackRanger, an HN7 device or your system can use ECW files then you can import the EOTopo map files available in our EOTopo Standard or Premium mapsets sold through our online shop. These mapsets contain files at various scales and in both the ECW and OZF/map formats to enable you to select just the files that are applicable to your device. The difference between the Standard and the Premium is the map scale. Of course, the 144K scale map therefore has the potential to have greater map detail than the 200K as there is more room to allow additional features to appear where available in the dataset.
Compatible Devices
To use EOTopo maps for trip planning and navigation you will require a device with either an external or inbuilt GPS Receiver as well as Mapping Software. Subsequently the EOTopo buying option that you select will also depend upon your device and software type.

Devices and Software Options:

  • Windows Laptop/Notebook (with an external GPS Receiver) or Windows Tablet - Requires either OziExplorer PC, TrackRanger, ExplorOz Traveller, or Memory Map PC.

  • Android Phone or Tablet - Requires either OziExplorer Android, ExplorOz Traveller, Memory Map Android or Mud Map Android

  • iPhone or iPad (Wi-Fi only iPad needs an external GPS Receiver) - Requires ExplorOz Traveller, Memory Map iOS or Mud Map iOS

  • GPS Device with Windows CE - Requires OziExplorer CE (if not already loaded)

  • Hema Navigator - Is already loaded with compatible EziOzi Software Program

  • VMS GPS Devices - Is already loaded with compatible VMS Off-Road Software and OziExplorer CE*
    (*maybe trial version and require an OziExplorer CE Licence purchase)

  • Mud Map M7 - Is already loaded with OziExplorer CE*
    (*this is not the current 2.40 version more details below)


External GPS Receivers can also be utilised by devices that already have an inbuilt GPS receiver to improve the device's battery life and GPS accuracy. Trial versions of many of the software programs listed are available for free download so that you can familiarise yourself with the program prior to purchase.
EOTopo with Hema Navigator
  • To put EOTopo maps on a Hema Navigator you will import the files found in the OZF folder found on the EOTopo downloads page.
  • You will then need to transfer both the .map and name search files to the Navigator’s SD Card. As there is limited space on this card, you will need to transfer specific files. Firstly, find the “OziExplorer Maps” folder on the Navigator’s SD Card and create a “New Folder”, name it something like “EOTopo Maps”.

  • Then open the OZF folder on the EOTopo downloads page and transfer the following files to the “New Folder” that you have just created.
    EOTopo 200K Australia.ozf4
    EOTopo 1M Australia.ozf4
    EOTopo 2.5M Australia.ozf4
    EOTopo 5M Australia.ozf4
    EOTopo 10M Australia.ozf4
    EOTopo 200K Australia.map
    EOTopo 1M Australia.map
    EOTopo 2.5M Australia.map
    EOTopo 5M Australia.map
    EOTopo 10M Australia.map
    and if you have the Premium License, you'll find there is not a single Australia.mp or Australia.ozf4 in the 144K scale. Instead, you'll have to download each of the 6 state files in the 144K scale in both the .ozf4 and .map formats.

  • Then find the HNOZi Folder on the Hema’s SD, open it, and you should see a folder called “Name Search”. On the EOTopo downloads page you will also see a folder named “Name Search”, transfer the two files in the EOTopo’s “Name Search” folder to the Navigator’s “Name Search” folder. You can then use the functions found in Off Road Navigation on the device to load the EOTopo Maps, and EOTopo Name Search files.
EOTopo with Mud Map App
The Mud Map App is available for use on Android and iOS devices (iPhone or iPad). This program only allows you to use files in their proprietary format (MMR). MMR format are available in the new 2018 EOTopo release which can be downloaded from the EOTopo downloads page if you have purchased an EOTopo license.
EOTopo with Mud Map M7
If you want to use EOTopo maps on the Mud Map M7 you will need to use the ECW and .map files. The ECW files are found in the ECW folder on the downloads page and the .map files are found in the OZF folder (there needs to be a corresponding .map file loaded for every ECW file).

You can then copy the files to a folder on an SD card and insert this into the M7 device and configure this new folder as an additional map file path in the CE program (as per CE instructions).

As with OziExplorer CE you will need to transfer all files found in the Name Search folder on the EOTopo downloads page to the Name Search folder found on the M7 device (following the OziExplorer Data file path).
EOTopo with OziExplorer (Full PC Version)
OZF4 files are optimised for use with OziExplorer, but you can also use ECW files. If you have purchased the Premium mapset then please note that there is no EOTopo 144K Australia.ozf4 file or EOTopo 144K Australia.map file - this is due to file size restrictions. Instead, you will need to either download each of the 6 state files in the 144K scale or use the ECW format which does have the 144K Australia file.

Please ensure you determine the destination folders configured in OziExplorer to source Maps and Name Search files from OziExplorer. To find this, go to “Configuration” in OziExplorer, on the “System” tab it will display the file path for both the OziExplorer “Maps” and “Data” folders. From the EOTopo downloads page you will need to copy the folder named “OZF” to your OziExplorer “Maps” folder, and the two files in the EOTopo's “Name Search” folder to the OziExplorer "Name Search" folder (found by going up one folder from “Data").


The below image shows the Configuration menu in OziExplorer, and the corresponding folders as found in Windows File Explorer. To go direct to the relevant folder, click on the "Folder" button next to the relevant File Path.
EOTopo with OziExplorer Android
OZF4 files are optimised for use with OziExplorer, but you can also use ECW files.

Note: We have developed a custom interface (otherwise known as a "skin") for OziExplorer Android, called EOZi. EOZi is an add-on to the base program and is designed for ease of usability when using EOTopo maps in the OziExplorer Android program. At under $10, it's well worth it.

EOTopo Set-up:

If you have purchased the Premium mapset then please note that there is no EOTopo 144K Australia.ozf4 file or EOTopo 144K Australia.map file - this is due to file size restrictions. Instead, you will need to either download each of the 6 state files in the 144K scale or use the ECW format which does have the 144K Australia file. The Configuration Menu in OziExplorer Android is found by clicking on the Show Menu icon on the far bottom left of the Screen, then click “Main Menu”, then “Configuration”, then “General Settings”, this will show you the Map File and Data File Paths. You can either transfer the maps to the relevant folders as per the instructions for OziExplorer full version, or if you have limited storage space on the device, you can copy the files to an SD card and then insert this SD Card into your Android device - then change the file paths – for Maps configure this to the OZF folder, and for Data configure this to the Name Search Folder.


The below image shows the Main Menu, General Settings and Configuration Menu for OziExplorer Android. The Configuration Menu allows you to view/change the Map and Data File Paths.
EOTopo with OziExplorer CE
OZF4 files are optimised for use with OziExplorer, but you can also use ECW files.

Windows CE is the operating system for many generic and branded GPS devices on the market a list of these can be found on the OziExplorer website. If your device has a full version of OziExplorer pre-installed no further purchase is necessary; if a trial version is installed you will need to purchase a CE Upgrade Licence; if your CE device did not come loaded with any version of OziExplorer, you will need to purchase the OziExplorer (Full PC Version) as well as the CE upgrade to be able to load this program to your device.

ExplorOz have developed a custom interface (otherwise known as a "skin") for OziExplorer CE, called EOZi. EOZi is an add-on to the base program and is designed for ease of usability when using EOTopo maps in the OziExplorer CE program. At under $10, it's well worth it.

EOTopo Set-up:

OZF4 files are optimised for use with OziExplorer, but you can also use ECW files. If you have purchased the Premium mapset then please note that there is no EOTopo 144K Australia.ozf4 file or EOTopo 144K Australia.map file - this is due to file size restrictions. Instead, you will need to either download each of the 6 state files in the 144K scale or use the ECW format which does have the 144K Australia file.

EOTopo Maps and Data can be transferred as per instructions for OziExplorer Full Version, however this program also allows you to configure multiple map file paths – this is useful if you wish to have maps stored in different locations (for example using external storage such as if you put the EOTopo map files onto an SD Card). To do this simply download the EOTopo map files to an SD card and insert the SD card into your device and configure the "OZF" folder as one of your maps folders. Please note that only one Data folder can be configured so you will need to transfer the files found in the EOTopo "Name Search" folder on the EOTopo downloads page to the default OziExplorer "Name Search" folder (found by going up one folder from "Data").


The below image shows how to navigate to the Configuration and Map & Data Files menus in OziExplorer CE, as well as the "Get Path" function that will allow you to add a new Map File Path.
EOTopo with TrackRanger
TrackRanger is a digital map viewing and navigation program available for use on Windows Laptops/Netbooks and Tablets. A GPS Receiver (either internal or external) is required to use this program for navigation.

TrackRanger have developed a specific installer for EOTopo, simply follow the instructions found in the Installing EOTopo Maps to TrackRanger PDF.
EOTopo with VMS GPS
There are two navigation software options available on the VMS GPS devices.

The first option is VMS Off Road. VMS GPS devices have a “VMS Map Converter” which can then be transferred to your computer and used to convert the EOTopo ECW files to the correct format. Instructions are found on the VMS FAQ page, (scroll to the “How do I add new off-road maps section”).

The second option is OziExplorer CE (if trial version is installed you will need to purchase the CE upgrade licence). To use the EOTopo maps in OziExplorer CE, transfer the OZF4 and Name Search files as listed above for the Hema Navigator into the relevant folders for Maps and Name Search Data found on the VMS device or VMS SD Card.
Further OziExplorer Help
The information regarding use of EOTopo in the various versions of OziExplorer has been deducted by reading help files on the OziExplorer website, and by downloading trial versions of this software for testing. The three links below point directly to help files on Map Search/Configuration for each of the three software versions:

Lifetime Upgrade Program
The EOTopo Lifetime Upgrade program allows current owners of this product to purchase new version releases at a greatly reduced price. 2018 EOTopo upgrade pricing is only $40 for the Premium or $30 for the Standard. Additional discount applies to those with Membership.

To access this discount simply enter the code:


into the Promo Code Field when purchasing. This code is not limited to the format previously purchased eg. if you purchased EOTopo200K previously you still have the option to purchase EOTopo Premium (144K) using this upgrade pricing. NOTE: Ensure you are logged into your ExplorOz Profile when making your purchase, as this code only works when logged into the same profile linked to your previous EOTopo purchase/s.
Non-Compatible Devices
EOTopo is provided in the Raster Map format, and therefore cannot be used in devices that require Vector Maps. This includes Tom-Tom, Navman, Garmin and Magellan GPS Units, as well as most pre-installed vehicle Sat-Nav systems. There is one exception, the Garmin Monterra has an Android OS, so this could be set-up using the same process detailed in the EOTopo with OziExplorer Android section of this article.
Production of EOTopo Maps
  • A new MapScript program was developed by David Martin (I.T. Beyond Pty Ltd) to build tiles at 5000x5000pixels.

  • The 200K final whole of the country image is built using 37 x 30 tiles of 5000 pixels. This produces 1147 tiles and is over 80.1GB of GeoTiff files.

  • The 144K final whole of the country image is built using 50 x 42 tiles of 5000 pixels. This produces a staggering 2193 tiles and is over 153GB of GeoTiff files.

  • The GeoTiff files used for the raster map products use a projection of WGS84 (EPSG:4326). This projection is in most respects exactly the same as GDA94 and was chosen as it is the worldwide standard for Lat/Long projected maps.
  • These tiles are then processed into a Virtual Raster File. This is the bridging of each of the tiles into a single file so that it can be processed and rendered as a single image.

  • The State definitions are made using QGIS – an Open Source Geographic Information System. The states polygon vector files were built from the GeoScience base framework layer with a buffer set around the state borders of 0.1 degrees. This ensures that the state borders are fully visible on each of the maps.

  • Another process is then used written using GDAL - Geospatial Data Abstraction Library. This script cuts up the Virtual Raster into each state file.

  • GlobalMapper (a GIS Data processing application) is used to create the GeoTiff and ECW files. The ECW State files use a 10:1 compression ratio and the Australia single image uses 15:1 compression (this reduces the quality a little of the single ECW tile).

  • GeoTiff files were converted to the OZF4 file format (using the Neural Net Colour Reduction set at 70% and 256 colours) using the Img2Ozf program from OziExplorer.

  • The OZF4 files total 7.04GB, the ECW files total 6.67GB and the ExplorOz Places Name Search totals 10MB.

- Datum: WGS84 (EPSG:4326)
- Projection: Geographical – latitude and longitude

Geographic Bounding Box
UPPER LEFT X=112.8214505824
UPPER LEFT Y=-8.9737047371
LOWER RIGHT X=153.7385256655
LOWER RIGHT Y=-43.8423972383
COVERED AREA=15824079 sq km

UPPER LEFT X=140.8618525527
UPPER LEFT Y=-28.0574625534
LOWER RIGHT X=153.7385256655
LOWER RIGHT Y=-39.2984700000
COVERED AREA=1490991 sq km

UPPER LEFT X=128.9004800000
UPPER LEFT Y=-10.8658878240
LOWER RIGHT X=138.0990599969
LOWER RIGHT Y=-26.0986200000
COVERED AREA=1646244 sq km

UPPER LEFT X=137.8946600000
UPPER LEFT Y=-8.9737047371
LOWER RIGHT X=153.6987010041
LOWER RIGHT Y=-29.2789930169
COVERED AREA=3755777 sq km

UPPER LEFT X=128.9012600000
UPPER LEFT Y=-25.8963800015
LOWER RIGHT X=141.1028899182
LOWER RIGHT Y=-38.1607942767
COVERED AREA=1570545 sq km

UPPER LEFT X=143.7187423533
UPPER LEFT Y=-39.0984700000
LOWER RIGHT X=148.5984253999
LOWER RIGHT Y=-43.8423972383
COVERED AREA=214584 sq km

UPPER LEFT X=112.8214505824
UPPER LEFT Y=-13.5902843515
LOWER RIGHT X=129.1018600000
LOWER RIGHT Y=-35.2919118880
COVERED AREA=3983519 sq km

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