Forbes Trail Road is a 3.9 mile lightly trafficked out and back trail located near Fort Loudon, PA. The trail is good for all skill levels and primarily used for hiking, trail running, and scenic driving. 3.9 miles 311 feet Out & Back kid friendly hiking scenic driving trail running Expand Map Sign up now to see this map! Reviews (0)Photos (0)Recordings (0)No one has reviewed this trail yet. Be the first!