This exciting route between Kununurra and Derby, through the heart of the Kimberleys, is on many bucket lists, and it's nothing to be scared of. Consider, plan, book, and stay flexible.
Tropical North Australia of which the Kimberley is part, only has a Wet and a Dry season. Temperatures are high all year round but the Wet season can make vital parts of the area impossible to traverse. It's safest to plan to be in the Kimberley in June, July, or August.
NB: The Bungle Bungles in the world heritage Purnululu National Park is off the Great Northern Highway. You will have to head south from Kununurra about 300km. See our link at the bottom of this post for a Broome round-trip itinerary that does both the Gibb River Road and the surfaced Great Northern Highway.
Considerations should be:
Planning: