The park has numerous access points. There is no main entrance. In Washington, DC, the C&O Canal begins in Georgetown on 29th Street NW, south of M Street, and runs alongside Canal Road / Clara Barton Parkway out of DC to the west. The entrance to Great Falls is at Canal Road and MacArthur Blvd in Potomac, MD. Park Headquarters and the Williamsport Visitor Center are located off I-81 at exit 2. Cumberland Visitor Center is off I-68 at exit 43C. See the maps page for more.
142 W. Potomac St.
Park visitor centers are along the length of the canal. Visitor centers may be closed seasonally, or certain days of the week, so be sure to check their hours before you plan to visit.
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Last updated: April 5, 2021