Greenstone Ridge Trail Isle Royale
Trails Michigan Greenstone Ridge Trail Isle Royale
Michigan · keweenaw County

Greenstone Ridge Trail Isle Royale

Signature island traverse with remote ridgelines and major backpacking mileage.

Rating
Length
40.0 mi
Difficulty
8
County
keweenaw

About This Trail

Isle Royale’s signature 40-mile end-to-end traverse following the volcanic ridgeline spine of the island from Rock Harbor to Windigo, summiting Mount Desor, the island’s highest point. This remote wilderness backpacking route typically takes 4-6 days and gains nearly 4,000 feet of cumulative elevation. Watch for moose in lowland crossings and wolves in the distance.

Location

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Coordinates: 48.0938, -88.5492

Getting There

Isle Royale is accessible only by ferry, seaplane, or private boat. The Greenstone Ridge Trail runs 40 miles from Rock Harbor on the east to Windigo on the west end of the island.

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