Yellowstone and Grand Teton National Parks offer the ultimate in natural and geothermal wonders: backcountry lakes, panoramic summits, glacier-carved canyons, steaming geyser basins, and vast meadows teeming with wildlife. Top Trails: Yellowstone and Grand Teton National Parks by experienced outdoors authors Andrew Nystrom and Bradley Mayhew contains 46 "must-do" trips, from Mammoth Hot Springs to Old Faithful, from the Absarokas to the Gallatin Range, and from Jackson Hole to the Teton Crest Trail. In keeping with the tradition of the Top Trails series, this updated guide will maximize readers'' time and enjoyment of Yellowstone and Grand Teton National Parks.