On Friday 11th February, an 18 year old woman was walking in Gogmore Farm Park at around 9:50pm when she was approached.
The suspect touched her inappropriately and exposed himself.
Officers would like to speak to a man and a woman seen in the area between 9:50pm and 10:10pm.
A 31-year-old man from Chertsey was arrested but has since been released on conditional bail.