Friendship LandingVisit WebsiteGet Directions Details Details 382 acre park overlooks the Nanjemoy Creek and offers a boat ramp on the Potomac River, hiking, fishing and ball fields. Hours See website for hours. Location4715 Friendship Landing RdNanjemoy, MD20662Get DirectionsContact Local Phone: 301-932-3470MapSouthern MarylandPlaces NearbySee More For Southern Maryland