Potomac River Guide Home

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The Lower Potomac

The Potomac Estuary

Mount Vernon to Reagan Airport

Mall Area

Georgetown to Great Falls

Potomac Piedmont

Upper Potomac

The North Branch

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Foundry Branch

D.C. Tributary

Foundry Branch starts in northwest Washington, D.C., and flows underground (through a large pipe) until it reaches Glover-Archbold Park. It is named for the Columbia Foundry established in 1799 by Henry Foxhall.

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Contact Information
D.C. Department of the Environment

DC

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