Basic Information

The PHT is a diverse network of locally-managed trails and routes in Maryland, Pennsylvania, Virginia, and the District of Columbia, spanning a corridor between the mouth of the Potomac River and the Allegheny Highlands. Access to trailheads is possible through a variety of transportation modes.

The Trail is open year-round, weather permitting. 

Our partners who manage specific sections of the trails may have seasonal openings and closings. 

Please refer to our Operating Hours & Seasons for more information.

The Trail corridor has a temperate climate typical of the Mid-Atlantic United States with four distinct seasons. Please refer to our Weather page for more information.

Some facilities within the Trail corridor charge a fee and some require reservations. Please refer to our Fees & Passes page for more information.

Entrance Fees:

Entrance Passes:

Two bikers travel along the grass and gravel towpath
Bridge along the Potomac River

Photo Credit: NPS

Last updated: November 6, 2017

Contact the Park

Mailing Address:

Potomac Heritage NST Office
National Park Service
1100 Ohio Drive SW

Washington , DC 20242


This phone will reach the main line for the C&O Canal National Historical Park.

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