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Michigan
39.9 mi
Distance
2,538 ft
Gain
14h 34m
Time
We won't guess. Here is exactly what we do and don't know.
What we do know
Inside Isle Royale National Park
2 managing-area boundaries mapped — agency alerts for them feed this page automatically.
Boundary data
What's missing
No access route mapped
We don't yet know which road reaches this trailhead, so we can't tell you if it's gated.
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Why you'll love it
Greenstone Ridge Trail
AI-suggested draft · review before you go
No permit or access details on file for this trail — check with the local land manager before you go.
The Greenstone Ridge Trail is a challenging point-to-point backpacking route that traverses nearly 40 miles across Michigan's Upper Peninsula, following an ancient ridge formation with stunning vistas of Lake Superior and the surrounding landscape. This remote, rugged trail showcases the geological and natural heritage of the region, passing through diverse terrain including ridgeline sections, forested areas, and rocky outcroppings. The trail demands solid backcountry experience and careful planning, rewarding dedicated hikers with solitude and exceptional views of Michigan's wild interior.
Greenstone Ridge Trailhead: Hidden Lake
~40 min drive
<p><a href="https://www.nps.gov/isro/planyourvisit/camping.htm">Backpack Isle Royale National Park</a> and trek the Greenstone Ridge Trail that connects the southwest end to the northeast end of the island. The island’s longest trail includes forested wilderness, rocky exposed…
Trailhead for Gichi Onigaming, the Grand Portage
~1h 1m drive
<h2 aria-hidden="true" tabindex="0">Canoe Loading across from the Historic Site</h2> <p>From Thursday August 7 to Sunday August 10, please load/unload canoes off road near the Grand Portage trailhead sign at the corner of Store and Mile Creek Roads. Please do not cross the int…
Mount Rose Trail Depot Overlook
~1h 1m drive
<p>This overlook is at a low rock wall along the trail.</p>
Mount Rose Trail Interpretive Overlook
~1h 1m drive
<p>The Mount Rose Trails offers multiple stops to view Grand Portage Bay and the Historic Depot from above. Learn some fur trade history and take a photo.</p>
Mount Rose A Story in Rock
~1h 1m drive
<h2>A Story in Rock</h2> <p>The weathered outcrop above you is made of sedimentary rock, known as the Rove Formation, formed by layers of sands and clay deposited on an ancient sea floor nearly two billion years ago. There are at least two sedimentary rock types visible in the…
Mount Rose Trail Bench
~1h 1m drive
<p>This bench, about halfway up the hill from the Depot trailhead, is a perfect spot to catch your breath in sun dappled shade with a view of Lake Superior through the trees.</p>
Mount Rose Summit
~1h 2m drive
<p>From the summit of Mount Rose, see the Historic Depot and Grand Portage Bay. On a clear day, Isle Royale is visible on the horizon. A low wall protects people from the edge of a steep dropoff. This is the best place to photograph the Historic Depot from above.</p>
Mount Rose - Once an Island!
~1h 2m drive
<h2>Mount Rose – Once an Island!</h2> <p>About 12,000 years ago, melting glaciers formed temporary lakes. The biggest, Glacial Lake Duluth, submerged most of the Grand Portage. Its shoreline was 738 feet (225 m) above today’s Lake Superior.</p> <p>The shoreline of Glacial Lake…
Mount Rose Trail Junction
~1h 2m drive
<p>This bench is at the junction of the two trails. One begins at the <a href="https://www.nps.gov/places/mount-rose-trailhead-depot.htm">Mount Rose Depot Trailhead</a>. The other begins at the <a href="https://www.nps.gov/places/mount-rose-trailhead-parking-lot.htm">Mount Ros…
Midway Parking for the Grand Portage
~1h 5m drive
<p>Today's 8.5-mile (13.7 kilometers) <a href="https://www.nps.gov/grpo/learn/photosmultimedia/grand-portage-trail.htm">portage trail</a> corridor can be thought of in two parts: the eastern "half" that passes through gaps and valleys to avoid the high rocky ridges and the wes…