Madison Arm Loop Snowmobile Trail is a cooperative operation with West Yellowstone Chamber of Commerce. Parking capacity unlimited in West Yellowstone. Groomers operated 7 nights a week. Schedules available in Forest service office.

Length: 20.1 miles of marked and groomed trails. .Trail Beginning: West Yellowstone.Trail End: Loop

Area Map: Gallatin National Forest Visitor Map

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Madison Arm Loop Snowmobile Trail