A man emerged from long grass completely naked exposing himself to an elderly woman who was walking her dogs.
It happened in woods off Bunkers Lane on Saturday, August 11, at around 4.15pm.
The man, who stood watching the woman -aged in her 70s - as she left the woods, is described as having an Asian appearance, aged 30 to 35, around 5ft 11in tall, with black hair and brown eyes.
Anyone with information can contact police on 101, quoting crime reference D1/12/4988, alternatively call Crimestoppers anonymously on 0800 555 111.