What changes from November to March
Rain turns dirt into mud and fills creeks that were dry crossings weeks earlier. A route that was simple in July can be impassable after one storm, so flexibility matters.
- Unsealed roads can close at short notice
- Creek crossings become the main hazard
- Heat and humidity rise, and some services wind back
Road closures can occur at short notice. Check current conditions on the day you travel.
Which roads are affected
Both sealed and unsealed roads can be affected by wet-season flooding. Check current conditions before each leg rather than assuming a route will remain open.
Main Roads WA describes the Gibb River Road as 647 km long and mainly unsealed. Check closures and confirm the specific road is permitted by the rental agreement before booking or travelling.
| Road | Wet-season reality |
|---|---|
| Derby, 220 km sealed | Check current conditions |
| Fitzroy Crossing, 396 km sealed | Check current conditions |
| Kununurra, 1,044 km sealed highway | Check current conditions |
| Gibb River Road, 647 km long, mostly unsealed | Check current conditions and rental agreement |
Planning around the wet
Build a plan that survives a closure. If one road shuts, you want a sealed alternative and time to use it, not a tight schedule that only works if everything stays open.
- Keep the outbound and return legs on sealed highway
- Leave slack days so a closure does not wreck the trip
- Confirm road status before each day's driving
A shorter trip that actually runs beats an ambitious one that stops at a closed gate halfway along.
Driving the sealed highways
Sealed highways can still be affected by wet-season storms and flooding. Water on the road can hide damage; check current conditions before travelling.
- Slow down in heavy rain and increase your following distance
- Do not cross flowing water over any road, sealed or not
- Watch for washouts, fallen branches and wandering animals
Vehicle and gear
A 4WD camper gives more margin on maintained dirt, but it does not open a closed road. In Broome the operator's depot supplies campervans and 4WD campers only, with minimum driver ages of 21 for 4WD campers and 18 for campervans.
- Carry extra water and food in case of delay
- Store gear so it stays dry in a sudden downpour
- Ask the operator what to do if a closure catches you out
Questions on this road
Can I drive the Gibb River Road in the wet season?
The Gibb is mainly unsealed and conditions change quickly, especially after rain. Check Main Roads WA for current closures and confirm your rental agreement permits the road.
Are there roads that stay open in the wet?
Sealed highways can also close during floods. Check Main Roads WA before each day of travel.
Do I need a 4WD in the wet season?
It is not required on sealed highways, but it helps on maintained dirt. A 4WD does not open a closed road.