Photo: Facebook/Mandurah District - WA Police Force.
Dwellingup Police are investigating a fire suspected to be deliberately lit in Teesdale.
The fire started in bushland around 9.30am on Friday, February 21 and burnt through about 6.5 acres.
A small, white four-wheel drive style wagon was seen in the area at the time the fire started.
Anyone with information is asked to call Crime Stoppers on 1800 333 000, or to make a report online at crimestopperswa.com.au.