Diamantina National Park Access from South?

May be of interest - was talking to a bloke on HF last night re Diamantina NP - he said the main tracks in the park are open (2 weeks back some places were still very 'squishy') - but the Warracoota circuit track is still closed. Can't say, re your other points...........

Dropped into the Park for only an afternoon & night last July travelling south from Boulia. After Boulia next fuel was Windorah, so you need to make sure you work out how much fuel you will need carefully, unless you have a Prado with a 180L tank!
Boulia is the closest fuel point to the park that we could see.
Use the river water for washing etc, so you can minimise the number of water Jerry cans you need and maximise fuel jerry cans.

We wished we could have stayed another 2-3 nights, as for our teenage kids it was the highlight of 7000km through central Australia. It was warm enough (just) to swim. Had reasonable amount of wildlife.

The roads last year we found to be very good (unusual for a NP) graded dirt.
Apart from a long drop, don't expect any facilities for your camping fees.
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Was there end of May. All roads were fine. Came in from Windorah & out
through NW to Boulia/ Winton Road. Minimal water over road. Need fuel for 7/800
km. Nice birdlife. Waterhole edges were deep mud, may be better now. No
supplies so be prepared. .....oldbaz.

Thank-you all for your info hope to put it to good use in the next few weeks.
We will be leaving Walcha on Tuesday & travelling via NarrabriWalgett Bourke &
Hungerford

This is a great park and worth doing the trips around the park also, but that will require fuel for another 200/300klms.

We'll be up there in a couple of weeks.

cheers, the Landy