Billy Goat Trail and surrounding C&O Canal Trails 11710 Macarthur Blvd, Potomac, MD 20854, USA Potomac Maryland 20854 Three sections that total eight miles. Paths surrounding the Billy Goat Trail include the towpath, The River Trail, Gold Mine Loop and Spurs, the Ford and Mine Trail. Previous Next Outdoor Experience TrailsTrail Guide Website Map Directions Previous All Listings Submit a Listing