Business Directories Rock Creek Park Rock Creek, which flows south through the District to empty into the Potomac, passes under Massachusetts Avenue. The park was established in 1890. Rock Creek Parkway runs along the creek, along with a trail for hikers, joggers and bikers. The park descends along the fall line through numerous small rapids along the creek.
All sections are accessible either by automobile or by hiking.
Most portions of the park are accessible through short hikes, usually under one mile. Gradients above the floodplain are surprisingly steep, and make for some moderate hiking. Inc. Information where not otherwise attributed, copyright 1995-2001, TeleDiplomacy, Inc.