Fumarole Bay Trail is a 1.36-mile out-and-back foot trail in Crater Lake National Park, Oregon. It climbs 46 ft to a high point of 6,255 ft. Difficulty: easy, from the NPS hiking-rating formula.

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