Potomac River Guide Home

Interactive Maps

The Lower Potomac

The Potomac Estuary

Mount Vernon to Reagan Airport

Mall Area

Georgetown to Great Falls

Potomac Piedmont

Upper Potomac

The North Branch

Boat Ramps

Monitoring Sites

Bridges and Ferries

Cruises and Charters

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C and O Canal Headquarters Area Map

National Historical Park

Contact Information
National Park Service
1850 Dual Highway
Hagerstown MD 21740

Nearby Sites

  • Hagerstown -- Maryland City -- 1.93 miles
  • Hagerstown Roundhouse Museum -- Maryland Historic Site -- 2.29 miles