The Potomac River (/ pəˈtoʊmək / ⓘ) in the Mid-Atlantic region of the United States flows from the Potomac Highlands in West Virginia to Chesapeake Bay in Maryland. It is 405 miles (652 km) long, [4] with a drainage area of 14,700 square miles (38,000 km 2), [5] and is the fourth-largest river along the East Coast of the United States. More than 6 million people live within its …

Also known as the nation's river, the Potomac River is known for being the 21's largest river in the United States and is also one of its most historic waterways. It flows from the Allegheny Mountains, crosses the Chesapeake Bay, and finally meets the Atlantic Ocean.

Dec 7, 2022 · The Potomac River map shows the Potomac watershed. Woman kayaking on the Potomac River. The Potomac River is the fourth largest river on the US Atlantic Coast by drainage area. Its watershed extends to Virginia, West Virginia, Maryland, and the District of Colombia.

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These maps are a terrific way to get to know the Potomac from Shepherdstown, W.Va., to Potomac Park, Md. Recreational fishing, biking, hiking, kayaking, canoeing, camping, parking, and public boat launch information is included.

4 days ago · 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.

May 15, 2017 · This map shows the location of the river and its watershed area which spans across several geological regions including the Appalachian Plateau, Ridge & Valleys, Blue Ridge, Piedmont, and Coastal Plain.

This map features the subbasins (HUC 8), watersheds (HUC10), and subwatersheds (HUC12) of the Potomac River basin. Use the Layers button to toggle among the different views.

These maps span 92 miles of the most popular part of the Potomac river and C&O Canal above Washington, D.C. Each map is conveniently available for downloading and printing in a PDF format. Each one shows a portion of the C&O Canal in the Lower Potomac River area.

Feb 1, 2025 · Potomac River, river in the east central United States, rising in North and South branches in the Appalachian Mountains of West Virginia. The two branches (95 miles [150 km] and 130 miles long [209 km], respectively) flow generally northeast and unite southeast of Cumberland, Maryland, to continue