Al Foster Trail is a 9.3 mile moderately trafficked point-to-point trail located near Ballwin, MO that features a river. The trail is rated as moderate and primarily used for hiking, walking, and trail running. 9.3 miles 258 feet Point to Point hiking trail running walking forest river 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!