Portage (southwest section) #1 is a 1.08-mile out-and-back foot trail in Isle Royale National Park, Michigan. It climbs 23 ft to a high point of 725 ft. Difficulty: easy, from the NPS hiking-rating formula.

Open Portage (southwest section) #1 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.