Deer Lake Trail is a 4.88-mile out-and-back foot trail in Olympic National Park, Washington. It climbs 1,537 ft to a high point of 3,547 ft. Difficulty: strenuous, from the NPS hiking-rating formula.

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