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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

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Muddy Branch

Tributary

Muddy Branch flows 11.9 miles from Gaithersburg, Md., through the Blochouse Point Conservation Park. After going through a culvert under the C&O Canal, it enters the Potomac River near Pennyfield Lock

Suggested Links

Contact Information
Maryland Department of Natural Resources

MD

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