TV 4.8M Trailhead Tennessee Valley Parking Map(s): Marin Headlands Trails Tennessee Valley Road towards ocean. Left on Coastal Trail. Left on Wolfback Ridge Trail. Left on Miwok. Left on Old Springs to finish Route © OpenStreetMap contributors Total distance: 4.67 miTotal climbing: 1030 ftDownload file: Tv48TvWbMiOs.gpx Disclaimer Posted in Tennessee Valley, Trailhead and tagged 5M, Wolfback Ridge.