Upon its completion, the Potomac Heritage Trail will consist of the following sections: • The
Laurel Highlands Hiking Trail, within
Laurel Ridge State Park in Pennsylvania. • A section of the
Great Allegheny Passage (GAP), between
Cumberland, Maryland and
Ohiopyle, Pennsylvania. • The C&O Canal Towpath within the
Chesapeake and Ohio Canal National Historical Park, in Maryland, and Washington, D.C. • A linear park system in
Loudoun County, Virginia. • of trails within Riverbend Park,
Great Falls Park, and
Scott's Run Nature Preserve in
Fairfax County, Virginia. • Two partially completed routes within the District of Columbia—the Fort Circle Parks Trail, part of the
Civil War Defenses of Washington, and a multi-use route between
Georgetown and Oxon Cove Park. • The paved
shared use Mount Vernon Trail and a gravel trail in and around
Arlington and
Alexandria, Virginia, mostly alongside the
George Washington Memorial Parkway. • The Alexandria Heritage Trail in
Alexandria, Virginia. • A biking trail in
Prince George's County, Maryland. • A trail in
Piscataway Park in Prince George's County, Maryland. • A route within the Nanjemoy Natural Resource Management Area in
Charles County, Maryland. • A biking trail in Charles and
St. Mary's counties in Maryland. • Two routes in
Prince William Forest Park and a partially completed route, between
Leesylvania State Park and Belmont Bay, in
Prince William County, Virginia. • The Government Island Trail, the planned Historic Falmouth-Ferry Farm Trail, and the Aquia Creek Water Trail, all in
Stafford County, Virginia. • The Northern Neck Heritage Trail Bicycling Route Network in
Westmoreland,
Northumberland,
Lancaster, and
Richmond counties, all in Virginia. ==References==