Officers from Kent Police are appealing for information to help locate a missing woman from Dover.
Callie Lewis, 24, was last seen on Wednesday 22 August and spoke to a friend over the telephone during the early hours of Tuesday 28 August.
Officers have reason to believe she may be outside of Kent now in the area of Lake Windermere.
Callie is described as white, slim, with dark hair and around 5ft tall.
Anyone with information regarding her whereabouts is asked to call 101 quoting reference 29-0616 as soon as possible.