Northwest of Helena and west of Marysville in the Helena National Forest, the Marysville / Austin System Snowmobile Trails have 45 miles of groomed snowmobile trails.
The trailhead for the Marysville / Austin System Snowmobile Trail is right in the town of Marysville. There is room for 20 cars in the parking area.
Directions: Travel just north of Helena on I-15, take the Lincoln Road Exit and travel east approximately 9 miles to the turn-off for Marysville and the Great Divide Ski Area, then approximately 6 miles to the town of Marysville.
Overall, Marysville / Austin System Snowmobile Trail is the 32nd most popular snowmobile trail of all 33 snowmobiling rides in Montana.