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

Search Potomac Sites

Four Locks Area Map

Maryland Historical Site

Contact Information
C&O Canal National Historical Park
1850 Dual Highway
Hagerstown MD 21740
301-739-4200
Website

Nearby Sites

  • Lockhouse 49 -- Historic Site -- 0.28 miles
  • Four Locks Boat Ramp -- River Access Point -- 0.30 miles
  • North Mountain Hiker Biker Campsite -- Canal Campsite -- 0.66 miles
  • McCoys Ferry Boat Ramp -- River Access Point -- 0.97 miles
  • Dam No. 5 -- Canal Site -- 0.99 miles
  • Prathers Neck Wildlife Management Area -- Maryland Recreation Site -- 1.38 miles
  • Fort Frederick State Park -- Maryland State Park -- 1.77 miles
  • Fort Frederick State Park Campground/Boat Ramp -- Canoe/Kayak Access Point -- 2.26 miles
  • Big Pool -- Canal Access Point -- 2.38 miles
  • Falling Waters Campsite -- Campground -- 3.16 miles