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Potomac

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description Potomac Overview

The Potomac River is a major Mid-Atlantic waterway that begins at the confluence of its North and South Branches near the Fairfax Stone area of West Virginia and flows roughly 405 miles to Chesapeake Bay. The river forms much of the boundary between Maryland, West Virginia, and Virginia, and it borders Washington, D.C. on the south and west. Its watershed includes the capital region, the historic Chesapeake and Ohio Canal corridor, and Great Falls.

help Potomac FAQ

Where does the Potomac River begin and where does it end?

The Potomac begins near the Fairfax Stone area of West Virginia, where its North and South Branches meet. It flows roughly 405 miles to Chesapeake Bay at Point Lookout.

Which state boundaries does the Potomac River form?

The river forms much of the boundary between Maryland and West Virginia in its upper reaches and between Maryland and Virginia farther downstream. The exact boundary follows different branches and historic survey lines.

Does the Potomac River flow through Washington, DC?

The Potomac runs along Washington, DC, passing landmarks such as Georgetown and the National Mall waterfront. It is also the river beside Arlington, Virginia, and Alexandria.

What historic canal follows the Potomac River?

The Chesapeake and Ohio Canal follows the river from Georgetown to Cumberland, Maryland, for 184.5 miles. Today, the C&O Canal towpath is a major recreation route through the Potomac valley.

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