ChamberMaster Template Mountain Fitness at Big Springs Share: Fitness Mountain Fitness at Big Springs 20508 Big Springs Rd. Weed, CA 96094-9705 (530) 938-4439 About Map About Mt. Shasta Fitness offers aerobic equipment as well as free weights and circuit training equipment, dry sauna, hot tub, pool and classes. One membership lets you use four facilities in South County! View Larger Map