The East, South and West entrances close at 8:00 am. All interior park roads from these entrances will close to vehicle traffic. These entrances will reopen in mid December for over-snow use by over-snow vehicles (skiis, snowshoes, snowcoaches and snowmobiles).
The North Entrance at Gardiner, Montana is Open Year Round for park visitors and normal vehicle traffic. The road from the North Entrance to Mammoth and from Mammoth to the Northeast Entrance is open to normal vehicle traffic and travel. These roads are plowed, but may require snow tires and/or chains. Please note that you CANNOT travel east of Cooke City, Montana. The road is snow covered and not plowed in the winter. Travel east of Cooke City closes in October due to snow.
During the winter, from the North Entrance, you can visit the Mammoth Terrace thermal area, the Albright Visitor Center (open year round seven days a week), go on a winter ranger activity or program, cross country ski, snowshoe or ride a snowmobile or snowcoach to Canyon or Old Faithful. The campground at Mammoth is open year round. You can also view wildlife in Lamar Valley. You can view antenlope, bison, elk, mule deer, and other wildlife, and wolf viewing during the winter is fantastic.
Please see the Current Conditions Page for more information.