Hole in the Wall Trail is a 3.42-mile out-and-back full hiking route in Olympic National Park, Washington. It is essentially flat, with a high point of 17 ft. Difficulty: easy, from the NPS hiking-rating formula.
Open Hole in the Wall 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.