Yellowstone National Park, encompassing 2.2 million acres, is one of America's premier wilderness areas. Most of the park is backcountry and managed as wilderness. Over 1,100 miles (1770 km) of trails are available for hiking. <br />
Source: National Park Service
West Entrance - Adjacent to the town of West Yellowstone, MT, the West Entrance is open to wheeled vehicles from the third Friday in April through the first Sunday in November, and to tracked oversnow vehicles from the third Monday in December o the Monday of the second full week in March. Closest airline service is West Yellowstone, MT, Bozeman, MT, Idaho Falls, ID, and Salt Lake City, UT. See the Operating Hours and Seasons for more information. Services are available year around.<br /><br />Source: National Park Service
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