Howard Eaton Trail: Mammoth-Golden Gate is a 7.86-mile out-and-back foot trail in Yellowstone National Park, Wyoming. It climbs 1,046 ft to a high point of 7,449 ft. Difficulty: strenuous, from the NPS hiking-rating formula.

Open Howard Eaton Trail: Mammoth-Golden Gate on Trailbound's interactive map to see the full route, the elevation profile, today's forecast and any park alerts for Yellowstone. Yellowstone has permits or reservations for some areas: see the Yellowstone page for what's needed.