The Potomac River Guide has details on more than 800 historic and recreation sites along the Nation's River. To start exploring, visit our interactive maps or browse the sites.

Interactive Maps

The Lower Potomac

The Potomac Estuary

Mount Vernon to the 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

POTOMAC RIVERWATCH: Spring 2025

• Record Flooding in Upper River

• Air Crash Investigation Continues

• Reimaging the Anacostia

• Four Locks Boat Ramp Closed for Repairs

Great Falls of the Potomac on May 16.

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