Grand Teton National Park covers nearly 310,000 acres of mountians, lakes, and plains including the major peaks of the Teton Range and the northern half of the valley of Jackson Hole. Grand Teton is open all year, though some areas of the park are inaccessible by car from approximately November through May due to seasonal winter closures.
For the most up to date road information
Winter driving may be challenging; park roads are often covered with ice or hard-packed snow; winter storms create white-out driving conditions. Make sure your vehicle is equipped with winter or all-season tires and carry tire chains when driving over mountain passes. For updated road information in the park call: 307-739-3682. For Wyoming Department of Transportation information, visit their website: http://www.wyoroad.info/ or call 1-888-WYO-ROAD (only available in Wyoming) or 307-772-0824 or 511 on your cell phone.
Seasonal Road Closures
Roads in Grand Teton close in the winter for recreational use and to provide corridors for wildlife. The Teton Park Road and Moose-Wilson Road close on a schedule, see below. Other roads close based on conditions.
Teton Park Road
The Teton Park Road is closed November 1 to April 30 from Taggart Lake Trailhead to Signal Mountain Lodge. The road is groomed for skiing, snowshoeing, and hiking from mid-December to mid-March.
The Moose-Wilson Road is closed November 1 until mid-May based on conditions and unplowed from Death Canyon Road to Granite Canyon Trailhead. It is open to skiing, snowshoeing, and hiking.
Grassy Lake Road
In the Rockefeller Parkway the Grassy Lake Road closes based on conditions and is unplowed in the winter from Flagg Ranch to the west. Once the park has determined that adequate snowcover exists, the road will open to oversnow use by snowmobiles, skiing, snowshoeing, and hiking.
Other roads such as Antelope Flats, Deadmans Bar, Grassy Lake, Pilgrim Creek, Schwabacher, and Two Ocean are closed seasonally based on conditions.
Multi-use Pathway Closure
Paved multi-use pathways throughout the park are open whenever predominately free of snow and ice. Use of the multi-use pathway is prohibited at night, specifically from 1/2 hour after sunset to 1/2 hour before sunrise.
Each summer Grand Teton National Park works on road construction projects to improve visitor experiences. For the latest road construction information, call 307-739-3682.
For Yellowstone National Park road information, check online Yellowstone Live - Roads or phone 307-344-2117. During winter, the roads in Yellowstone are closed to motorized vehicles except the road from Mammoth Hot Springs to Cooke City, MT.
Last updated: December 3, 2019