Greenstone Ridge Trail

Isle Royale National Park, Michigan

Elevation Gain10,247ft
Trailhead Elevation1,103ft
Elevation Min/Max601/1387ft
Elevation Start/End1103/1062ft

Greenstone Ridge Trail

Greenstone Ridge Trail is a hiking trail in Keweenaw County, Michigan. It is within Isle Royale National Park. It is 39.3 miles long and begins at 1,103 feet altitude. Traveling the entire trail is 78.9 miles with a total elevation gain of 10,247 feet. Mount Desor (elevation 1,371 feet), Sugar Mountain (elevation 1,329 feet), and Mount Franklin (elevation 938 feet) can be seen along the trail. There are also wetlands along the trail. This trail connects with the following: Indian Portage Trail, Hatchet Lake Trail, Mount Franklin Trail and Lane Cove Trail.

Greenstone Ridge Trail Professional Reviews and Guides

"Isle Royale National Park's most extensive trail, following the backbone of the main island. The "Greenstone," as it's called here, is rated by many as the best of the Isle Royale hikes.

The trail goes from Windigo, in the west, to Lookout Louise, in the east, traversing 40 miles of rugged beauty along the highest ridges of Isle Royale. Special attractions: Dense forest and rugged wilderness, occasional views of Lake Superior, Lake Desor, Hatchet Lake."

Greenstone Ridge Trail Reviews

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From Lane Cove Trail to West Chikenbone - LOVED IT. The ridge was definately an experience - a little chilly this time of year. Saw more moose on the trail than anywhere else on the island. Couple of places on the exposed rock where you definately have to pay attention to the rock pile trail markes. Blue green algea outbreak in Chickenbone Lake and Lake Richie means you have to filter your water elsewhere - we used Livermore, it was convenient.
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This trail navigates you through extensive swamps, dense timmber, and over some fairly grueling granite hills. The trail is easy to follow and truly in great condition if one is aiming to crank out a maximum number of miles in one day. Seeing moose is almost a sure bet along this trail. They are often seen "grazing" in swamps just off the foot path. Mosquitoes/black flies are pretty much a given in Northern Michigan but if you are fortunate enough to catch a cool breeze along the ridge they will cease to bother you. Lake Desor is a great camping spot and a fairly good place to fish. My favorite time to visit Isle Royale is late September or early Ocotber when the crowds are gone and the weather is nice and cool.

Greenstone Ridge Trail Photos

Trail Information

Isle Royale National Park
Nearby City
Isle Royale National Park
Isle Royale National Park
Local Contacts
Isle Royale Topographic Map
Local Maps

Activity Feed

Nov 2018