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

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Muddy Branch

Tributary

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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

Search Potomac Sites