Porcupine Mountains Loop (MI)

Ontonagon County, Michigan, United States

26.5 miles (42.7 km) · 3,542 ft elevation gain · Loop · trail · Route

Porcupine Mountains Loop (MI) is a 26.5-mile loop route in Ontonagon County, Michigan, United States, gaining 3,542 feet of elevation. The route follows a rolling elevation profile. The terrain breaks into 8 distinct sections including 4 significant climbs. The longest climb covers 3.8 miles gaining 521 feet at an average 9.4% grade. Approximately 78% of the route is runnable at a steady effort. The route opens with a climb and finishes with a descent.