Highline is a 38.7-mile out-and-back foot trail in Glacier National Park, Montana. It climbs 2,905 ft to a high point of 7,424 ft. Difficulty: very strenuous, from the NPS hiking-rating formula.
Open Highline 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.