Police are searching for a man after a 23-year-old woman was sexually assaulted at the Oz Rock music festival.
The incident occurred on January 25 between 10pm and 11pm at Barnard Park on Marine Terrace in Busselton.
The victim was about 10m from the front of the stage when she was sexually assaulted by the man.
The offender is described as between 30 and 40 years of age with a red-tinged beard and shoulder length dreadlocks. He was wearing a red T-shirt and board shorts.
Anyone who can identify the man or provide further information is asked to call Crime Stoppers on 1800 333 000.