Waterton Valley is a 20.68-mile out-and-back foot trail in Glacier National Park, Montana. It climbs 2,848 ft to a high point of 6,972 ft. Difficulty: very strenuous, from the NPS hiking-rating formula.
Open Waterton Valley on Trailbound's interactive map to see the full route, the elevation profile, today's forecast and any park alerts for Glacier. Glacier has permits or reservations for some areas: see the Glacier page for what's needed.