Greenstone Ridge Trail
The Greenstone Ridge Trail generally follows the top of Greenstone Ridge, a low ridge that forms the east/west spine of the island and surmounts Mount Desor, the highest point of Isle Royale. Hikers may appreciate the higher elevations, which can reduce biting mosquitoes, which are found in great numbers in the lower elevation wetlands.
Hikers may see signs of the wolves and moose on Isle Royale, although scarce and shy, the woodlands that adjoin the trail are their habitat. The Greenstone Ridge and its Trail are both named after Chlorastrolite (Greenstone), a local semiprecious stone that is the state gem of the U.S. state of Michigan. Greenstone can be seen in various locations on Isle Royale, including shoreline pebbles.
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- Michigan Atlas and Gazetteer (10th ed.). Yarmouth, Maine: DeLorme. 2002. pp. 114–115.
- "Across Isle Royale by Foot". gorp.com. Retrieved 2010-01-09.