Smith Highway is a 23.34-mile out-and-back foot trail in Channel Islands National Park, California. It climbs 1,983 ft to a high point of 910 ft. Difficulty: very strenuous, from the NPS hiking-rating formula.
Open Smith Highway on Trailbound's interactive map to see the full route, the elevation profile, today's forecast and any park alerts for Channel Islands. Channel Islands has permits or reservations for some areas: see the Channel Islands page for what's needed.