Potomac Heritage National Scenic Trail Located in the corridor between the Chesapeake Bay and the Allegheny Highlands, DC, MD, PA, VA TRAVEL BASICS - CAMPING - LODGING ACTIVITIES - FACILITIES - FEES/PERMITS Ranger Mike Weinstein leads a tour of the area beginning at Antietam N.B. (NPS Photo) IN BRIEF Citizens in the Potomac Heritage Trail corridor are rediscovering history and reclaiming access to ...