Upper Big Arroyo is a 6.78-mile out-and-back foot trail in Sequoia National Park, California. It climbs 1,093 ft to a high point of 10,687 ft. Difficulty: strenuous, from the NPS hiking-rating formula.
Open Upper Big Arroyo on Trailbound's interactive map to see the full route, the elevation profile, today's forecast and any park alerts for Sequoia. Sequoia has permits or reservations for some areas: see the Sequoia page for what's needed.