The Riverside Ski Trail provides several easy options to ski along the Madison River and enjoy views of both the Gallatin and Madison mountain ranges. Boundary Street to loops: 1 mile (1.6 km) Downriver loop, full: 3.5 miles (5.6 km) Downriver loop, short: 2.2 miles (3.5 km) Upriver loop: 1.5 miles (2.4 km) Trailhead: east side of Boundary Street at Madison Avenue. The first mile is through forest to the loop trail junctions above the Madison River. The upriver loop (right), provides panoramic views of the Madison River and the Gallatin Range. The downriver loop (left), crosses open forests and meadows along the river. A cutoff trail shortens the trip by 1.3 miles (2.1 km). Return to the trailhead via the approach trail. Look for elk, bald eagles, and waterfowl. The first two miles my be occasionally groomed for classic ski tracks.