The world's first national park, a sliver of which lies in eastern Idaho, now attracts more than 2.8 million visitors each year. Yellowstone's 3472 square miles contain hundreds of uncommon sites including 10,000 thermal features and more than 60 species of mammals, 320 species of birds and a half-dozen game fish. Elk, moose and bison can frequently be seen by passing visitors.
Eastern Idaho, Wyoming and Montana
Boating Facilities, Campsites, Dump Station, Food Service, Fuel, Gift Shop, Handicap Access, Horse Facilities, Motor Coach Parking, Parking, Rental Equipment, Restrooms, Transportation, Vault Toilets, Visitor Center, Warming Hut