Douglas Spring Trail is a 20.72-mile out-and-back foot trail in Saguaro National Park, Arizona. It climbs 3,386 ft to a high point of 6,116 ft. Difficulty: very strenuous, from the NPS hiking-rating formula.

Open Douglas Spring Trail on Trailbound's interactive map to see the full route, the elevation profile, today's forecast and any park alerts for Saguaro. Saguaro has permits or reservations for some areas: see the Saguaro page for what's needed.