Ontonagon County, Michigan, United States
26.5 miles (42.7 km) · 3,562 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.
| Distance | 26.5 mi (42.7 km) |
| Elevation gain | 3,562 ft (1,086 m) |
| Average gain | 134 ft per mile (25 m per km) |
| Longest climb | 7.2 mi, 381 ft of gain |
| Steepest climb grade | 23.1% |
| Runnable | 78% of the route |
| Climbs / descents | 4 climbs, 3 descents |
| Profile shape | Rolling |
| Difficulty score | 6.5 of 100 |
| Surface | trail |
| Route shape | Loop |
| Type | Route |
| Grade band | Share of route |
|---|---|
| Flat | 17% |
| Mild uphill | 26% |
| Moderate uphill | 6% |
| Steep uphill | 9% |
| Mild downhill | 26% |
| Moderate downhill | 9% |
| Steep downhill | 7% |
Porcupine Mountains Loop (MI) has 3,562 ft (1,086 m) of elevation gain over 26.5 miles (42.7 km). That averages 134 ft of gain per mile.
The difficulty score for Porcupine Mountains Loop (MI) is 6.5 of 100. That is harder than 52.2% of routes at a similar distance. About 78% of the route is runnable at typical trail effort; the rest is steep enough that most runners hike.
The longest climb on Porcupine Mountains Loop (MI) runs 7.2 miles (11.7 km) and gains 381 ft (116 m). The steepest climb grade on the route is 23.1%.
Preview this trail in 3D flyover, view the elevation profile, and explore the segment breakdown.
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