Potomac River Guide Home

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

Four Locks Boat Ramp

River Access Point

Photo of Four Locks boat ramp

The Four Locks boat ramp has access to the Potomac River. There are 2 ramps and 30 parking spaces. The ramp is located off Md 56 on Four Locks Road.

Suggested Links

Click here for larger map and nearby sites.

Contact Information
C&O Canal National Historical Park
142 W. Potomac St., Suite 100
Williamsport MD 21795