Chesapeake & Ohio Canal National Historical Park (Georgetown to Carderock towpath)
Dog rule: Pets allowed on the towpath on a leash no longer than 6 ft (GPS trackers are not leashes). Pets not allowed on Billy Goat Trail Section A, the boardwalk to Great Falls, or inside park buildings. Off-leash pets may spook horses and mules. Trash-free park: pack out waste. Bring your own water for pets.
Venue confirmed Checked Nov 10, 2026. Source
