Waynesboro is a borough in Franklin County, Pennsylvania, on the southern border of the state. Waynesboro is in the Cumberland Valley between Hagerstown, Maryland, and Chambersburg, Pennsylvania. It is part of Chambersburg, PA Micropolitan Statistical Area, which is part of the Washington–Baltimore metropolitan area. It is 2 miles north of the Mason–Dixon line and close to Camp David and the Raven Rock Mountain Complex.