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Great Allegheny Passage
-, Pennsylvania; Maryland; Virginia; West Virginia; Washington, DC, PA 15213 GET DIRECTIONS

The Great Allegheny Passage (GAP) rail-trail offers 141 miles of hiking and biking between Cumberland, MD, and Homestead, PA, near Pittsburgh. In Cumberland, the GAP joins the C&O Canal Towpath, creating a continuous trail experience, 325 miles long, to Washington, DC.