Located in the District of Columbia and the states of Maryland and West Virginia, Chesapeake & Ohio Canal National Historical Park preserves the neglected remains of the Chesapeake and Ohio Canal along the Potomac River along with many of the original canal structures. Dogs on a leash are allowed in the park, but are not permitted on the Billy Goat Trail Section A, or on the boardwalk to Great Falls.
More information on the Chesapeake & Ohio Canal National Historical Park pet policy
