Portage (southwest section) #4 is a 1.12-mile out-and-back foot trail in Isle Royale National Park, Michigan. It climbs 66 ft to a high point of 694 ft. Difficulty: easy, from the NPS hiking-rating formula.

Open Portage (southwest section) #4 on Trailbound's interactive map to see the full route, the elevation profile, today's forecast and any park alerts for Isle Royale. Isle Royale has permits or reservations for some areas: see the Isle Royale page for what's needed.