Yellowstone NP Northwest - Mammoth Hot Springs - WY, MT
Trail map of Yellowstone National Park, Northwest covering the Mammoth Hot Springs area. Coverage includes Gallatin BMA, Absaroka Beartooth Wilderness, Richard's Pond BMA, Washburn BMA, Blacktail BMA. West Entrance, North Entrance, Mammoth Hot Springs, Madison, and Norris. Includes UTM grids for use with your GPS unit. Waterproof.