MundAl - Boyup Brook to Lake Muir

StartClick to Reverse the Dynamic Map and Driving NotesLake Muir Observatory
FinishBoyup Brook
DifficultyDifficulty 1.5/5
Suitable For4WD AWD Camper Bike 
Distance124.89 km
Minimum Days1
Average Speed49.16 km/hr
Travel Time2 hrs 32 mins
Page Updated: 11 Dec 2018


This Trek is part of a series of short treks that make up the complete MundAl Track. This part covers the route from Boyup Brook to Lake Muir and is the 4th trek in the series.

The route enables a variety of tourist activities and attractions to be visited and there is plenty of scope for bushwalking. You will pass close to, or through small towns and you will be in the vicinity of further 4WD activity if you wish to detour from the route provided for further exploring. You are encouraged to take time to experience the surrounding areas and their attractions.

You will have access to a range of accommodation encompassing everything from hotels, motels, B&Bs, regulated camping and bush camping.

Please note the additional information provided in the Preparation section below and be aware that will need to be on the look out for other recreation users including cyclists and hikers. Be prepared to encounter logging/mining/farming trucks at any time along the track.

How to Use this Trek Note

If you'd like to download this Trek there are two options:
  • Purchase our app ExplorOz Traveller. This Australian-made GPS & Navigation app will allow you to download all the ExplorOz Treks to your GPS enabled smartphone/tablet/iPad or laptop and enable active route guidance along the route as per the Directions shown on this page. The app enables offline navigation and mapping and will show where you are as you travel along the route. The app also allows you to edit/customise the route. Viewing the Trek in the Traveller app also includes all the words, images and POIs exactly as on the website (excludes Wildflowers). For more info see the ExplorOz Traveller webpage.

  • Alternatively, if you already have another raster mapping software program you can Download this route in GPX format using the button shown below the map on this page .


To purchase our maps for offline use, you will need to purchase the EOTopo 2021 map licence. To install the maps you will need the ExplorOz Traveller app.


Fire restrictions are in place at various times along the full length of the track and must be adhered to at all times.

TrekID: 10326


MUST READ: You are strongly encouraged to read the following articles prepared by the knowledge experts at ExplorOz for your safety and preparation before undertaking any published ExplorOz Trek - Outback Safety, Outback Driving Tips, Outback Communications, and Vehicle Setup for the Outback.


Please refer to Road Reports published by the local shire and/or main roads for the area you intend to visit. Road/Track conditions can change significantly after weather events. Travellers must be responsible for their own research on current conditions and track suitability.
Parts of the track will be the subject of closure due to weather, fire or other events and will need to be monitored by anyone immediately prior to and during any use of the track. You will not be able to access a mobile phone network on some sections of the track.

If wet, do not attempt this track solo and always carry recovery equipment.

Be prepared to encounter logging/mining/farming trucks at any time along the track. There is also possible stock movement along the roads/tracks. Be aware that DRA, Water Corp and mining gates/signs may change access at any time.


No permit is required to travel this route however when entering any national park or state forest you must abide by any travel restrictions particularly if near a DRA or Prescribed Burning Operations are imminent. You need to be aware of Water Corp restrictions in any area you may be travelling through as well as fire restrictions. There will be seasonal closures on some parts of the track due to weather and other events and you must make prior checks for any closure information.

Fuel Usage

4cyl 18 litres4cyl 20 litres4cyl 25 litres
6cyl 19 litres6cyl 23 litres6cyl 22 litres
8cyl 19 litres8cyl 21 litres
Usage is averaged from recorded data (* specific to this trek) and calculated based on trek distance.

Best Time To Visit

Closest Climatic Station

Distance from Trek Mid Point 36.47km W
Mean Max. °C27.127.124.821.117.715.314.415.016.518.821.924.9
Mean Min. °C13.113.412.510.
Mean Rain mm19.618.629.960.1130.7164.7174.5146.0109.276.246.925.5
    Best time to travel      Ok time to travel      Travel NOT recommended


Working on it...

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Lake Muir Observatory to Muir Hwy & Burranganup Rd
Driving: 1.17 km
Heading: 68°
Avg Speed: 26.5 km/hr
EST Time: 02:38
  • Head southwest for: 0.29 km time: 02:02
  • Turn right at the end of the road, onto Muir Highway (102) for: 0.88 km time: 00:37
Muir Hwy & Burranganup Rd to Buranganup Rd
Driving: 2.87 km
Heading: 327°
Avg Speed: 35.82 km/hr
EST Time: 04:48
  • Head north on Buranganup Road for: 2.87 km time: 04:48
Buranganup Rd to Buranganup Rd & Pindicup Rd
Driving: 5.14 km
Heading: 356°
Avg Speed: 35.94 km/hr
EST Time: 08:34
  • Head north on Buranganup Road for: 5.14 km time: 08:35
Buranganup Rd & Pindicup Rd to Lake Pindicup Rd & Lake Unicup Rd
Driving: 5.02 km
Heading: 84°
Avg Speed: 36 km/hr
EST Time: 08:22
  • Head east on Pindicup Road for: 5.02 km time: 08:22
Lake Pindicup Rd & Lake Unicup Rd to Track through Quarry
Straight: 0.1 km
Heading: 31°
Track through Quarry to Lake Unicup Nature Reserve
Driving: 4.34 km
Heading: 35°
Avg Speed: 72 km/hr
EST Time: 03:37
  • Head northeast on Lake Unicup Road for: 4.34 km time: 03:37
Lake Unicup Nature Reserve to Wingebellup Rd & Lake Unicup Rd
Driving: 3.72 km
Avg Speed: 72 km/hr
EST Time: 03:06
  • Head northeast on Lake Unicup Road for: 3.72 km time: 03:06
Wingebellup Rd & Lake Unicup Rd to Wingebellup Rd & Unicup Rd
Driving: 5.47 km
Heading: 102°
Avg Speed: 88.2 km/hr
EST Time: 03:43
  • Head east on Wingebellup Road for: 5.47 km time: 03:43
Wingebellup Rd & Unicup Rd to Boyup Brook - Cranbrook Rd & Unicup Rd
Driving: 9.34 km
Heading: 14°
Avg Speed: 45.32 km/hr
EST Time: 12:21
  • Head northwest on Wingebellup Road for: 0 km time: 00:05
  • Turn right onto Unicup Road for: 9.34 km time: 12:18
Boyup Brook - Cranbrook Rd & Unicup Rd to Boyup Brook-Cranbrook Rd & Terrace Rd
Driving: 6.43 km
Heading: 268°
Avg Speed: 107.73 km/hr
EST Time: 03:34
  • Head west on Boyup Brook - Cranbrook Road for: 6.43 km time: 03:35
Boyup Brook-Cranbrook Rd & Terrace Rd to Terrace Rd & Cootayerup Rd
Driving: 7.06 km
Heading: 31°
Avg Speed: 105.22 km/hr
EST Time: 04:01
  • Head southeast on Boyup Brook - Cranbrook Road for: 0 km time: 00:02
  • Turn left onto Terrace Road for: 7.05 km time: 04:00
  • Turn left onto Cootayerup Road for: 0 km time: 00:00
Terrace Rd & Cootayerup Rd to Tuckett Rd & Cootayerup Rd
Driving: 6.23 km
Heading: 289°
Avg Speed: 32.91 km/hr
EST Time: 11:21
  • Head west on Cootayerup Road for: 6.23 km time: 11:22
  • Turn left onto Tuckett Road for: 0 km time: 00:00
Tuckett Rd & Cootayerup Rd to Westbourne Rd & Pretty Gully Rd
Driving: 11 km
Heading: 350°
Avg Speed: 28.79 km/hr
EST Time: 22:55
  • Head northeast on Tuckett Road for: 11 km time: 22:55
Westbourne Rd & Pretty Gully Rd to Dwalganup Rd & Westbourne Rd
Driving: 25.96 km
Heading: 284°
Avg Speed: 36 km/hr
EST Time: 43:16
  • Head west on Westbourne Road for: 25.96 km time: 43:17
Dwalganup Rd & Westbourne Rd to Muir Rd & Dwalganup Rd
Driving: 7 km
Heading: 360°
Avg Speed: 36.98 km/hr
EST Time: 11:21
  • Head northeast on Dwalganup Road for: 7 km time: 11:21
Muir Rd & Dwalganup Rd to Muir Rd & Winnejup Rd
Driving: 1.67 km
Heading: 345°
Avg Speed: 23.37 km/hr
EST Time: 04:17
  • Head southwest on Dwalganup Road for: 0 km time: 00:08
  • Make a sharp right onto Muir Road for: 1.66 km time: 04:09
Muir Rd & Winnejup Rd to Jayes Rd & Muir Rd
Driving: 4.37 km
Heading: 340°
Avg Speed: 38.01 km/hr
EST Time: 06:53
  • Head northwest on Muir Road for: 4.37 km time: 06:54
Jayes Rd & Muir Rd to Jayes Bridge Reserve
Driving: 0.98 km
Heading: 319°
Avg Speed: 30.47 km/hr
EST Time: 01:55
  • Head north on Jayes Road for: 0.98 km time: 01:56
Jayes Bridge Reserve to Brown Seymour Rd & Jayes Rd
Driving: 6.19 km
Heading: 288°
Avg Speed: 35.05 km/hr
EST Time: 10:35
  • Head northwest on Jayes Road for: 6.19 km time: 10:36
Brown Seymour Rd & Jayes Rd to Bridgetown-Boyup Brook Rd & Brown Seymour Rd
Driving: 6.32 km
Heading: 356°
Avg Speed: 32.69 km/hr
EST Time: 11:35
  • Head west on Jayes Road for: 0 km time: 00:07
  • Turn right onto Brown Seymour Road for: 6.31 km time: 11:29
Bridgetown-Boyup Brook Rd & Brown Seymour Rd to Boyup Brook
Driving: 4.51 km
Heading: 75°
Avg Speed: 64.3 km/hr
EST Time: 04:12
  • Head north on Brown Seymour Road for: 0 km time: 00:05
  • Turn right onto Bridgetown - Boyup Brook Road for: 3.64 km time: 02:43
  • Turn right onto Knapp Street for: 0.4 km time: 00:43
  • Turn left at the end of the road, onto Blackwood Road for: 0.39 km time: 00:34
  • Turn left onto Bridge Street for: 0.07 km time: 00:07
Distance is based on the travel mode shown (Driving, Straight, Cycling, Walking etc), Direction is straight line from start to end, Avg Speed & EST Time is calculated from GPS data.

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