Potomac River Guide Home

Potomac River Guide

Interactive Maps

The Lower Potomac

The Potomac Estuary

Mount Vernon to Anacostia River

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

Also Explore

The Hudson River GuideThe Delaware River Guide

Dam No. 2 Area Map

This Site

Red MarkerDam No. 2
C&O Canal National Historical Park
142 W. Potomac St., Suite 100
Williamsport, MD 21795

Nearby Sites

Category IconVioletts Lock
Canoe/Kayak Access Point -- 0.02 miles
Category IconSeneca Falls Canal
Virginia Historic Site -- 0.31 miles
Category IconRiley’s Lock
National Park Service Historic Site -- 0.39 miles
Category IconCalleva School
Kayaking Instruction -- 0.41 miles
Category IconSeneca Aqueduct
National Park Service Historic Site -- 0.42 miles
Category IconSeneca Landing Boat Ramp
River Access Point -- 0.45 miles
Category IconCorbalis Treatment Plant
Water Treatment Plant -- 0.49 miles
Category IconSeneca Mill and Quarry
National Park Service Historic Site -- 0.53 miles
Category IconSeneca Creek
Maryland Tributary -- 0.58 miles
Category IconSeneca Regional Park
Virginia Park -- 0.67 miles