Services are available year around. 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 Wednesday in December to Monday of the second full week in March. Closest airline service is West Yellowstone, MT , Idaho Falls, ID , and Salt Lake City, UT . See the Road Opening Schedule for more information. Services are available year around.
Limited services are available near the South and East Entrances.
Closest airline service to the South Entrance is Jackson, WY and Cody, WY to the East Entrance. See our Road Construction Page for information about possible delays. Northeast Entrance - Near the gateway communities of Silver Gate and Cooke City, MT , this entrance is open year around for wheeled vehicle access to Cooke City through Gardiner, MT and the North Entrance. Opening dates for roads east of Cooke City vary from year to year, depending on the weather. See the Road Opening Schedule and Road Construction Schedule for more information.