South of Bozeman and north of West Yellowstone, the Big Sky Snowmobile Trail is a 120 mile groomed snowmobiling trail system. The trail runs from Bozeman to West Yellowstone, and range from 4,750 to 9,500 feet. South of Big Sky, Buck Creek Ridge provides miles of excellent play area. North of Big Sky, there are the Brackett-Fairy Lake and Olsen Creek-Bangtail Ridge trails. There are five main snowmobiling access points for the Big Sky Snowmobile Trail.
Overall, Big Sky Snowmobile Trail is the 14th most popular snowmobile trail of all 33 snowmobiling rides in Montana.