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

Fifteenmile Creek

Tributary

This creek starts in Pennsylvania and flows 20 miles to reach the Potomac in Maryland's Green Ridge State Forest.

Suggested Links

Contact Information
Maryland Department of Natural Resources

MD

Website