The Potomac River Guide has details on more than 750 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 Reagan Airport

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 2023

• Cherry Blossoms on Schedule

• More Delays for White's Ferry

• Cumberland Park Proposal

Cherry Blossoms at the Tidal Basin in 2019.