A man hiding in the trees exposed himself to a girl as she walked down Newton Manor Lane in Rugby.
Police are now appealing for witnesses following the incident on Monday May 20.
At about 4pm a 12-year-old girl was walking along Newton Manor Lane towards Stonechat Road when she passed the large concrete area and saw a naked man standing in the trees, who exposed himself to her.
She ignored him and walked away, reporting the incident to her mother who contacted the police.
Other people are reported to have been walking in the area at the time and police would like to hear from anyone who can offer any information about man.
The man is described as being white, with brown hair.
Anyone who spotted the man or who can provide any other information that may assist police in identifying him is asked to contact DC Jim Middleton in the Rugby Local Investigation team on 01788 856140, or they can contact Crimestoppers on 0800 555111 where the information can be given anonymously.