0.8 mi from the trailheadDuncan Narrows Campground
Campground

39.9 mi one way · 4,509 ft gain · 1,390 ft high point · Very hard
In Isle Royale National Park · MI · OpenStreetMap contributors
Greenstone Ridge Trail is a one-way trail through Isle Royale National Park along multiple peaks including Mount Desor and Mount Franklin, with 4,509 feet of climb.
4,509 ft of gain and 4,481 ft of descent.
The closest places to sleep, measured from the trailhead.
Ranked the same way, within twenty-five miles.
What the trail reaches, measured from the start.
The route at the trailhead. Drag with two fingers, or hold a key to zoom.
Trail data: USFS, NPS, © OpenStreetMap contributors (ODbL). Elevation: USGS 3DEP via Mapzen terrain tiles. Nearby reading: Wikipedia. Photos: Wikimedia Commons contributors, licensed as shown on each photo. Download the trail and feature data.
Campground · MI
3.5 mi out & back · 850 ft gain · Moderate
Isle Royale National Park · Camp under a mile away
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Today: Partly Sunny · wind 5 to 10 mph SW
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