Island Mine Trail

Overview

The Island Mine Trail is a classic Isle Royale connector running from Siskiwit Bay up to Island Mine Campground and the Greenstone Ridge. At roughly 4.8 miles one way, it’s a moderate backcountry climb through deep woods with a dash of mining history. Expect a true wilderness feel rather than big lake vistas—this one’s about forest, solitude, and the coast‑to‑ridge transition.

What You’ll See

From Siskiwit Bay, you’ll start near red sandstone shoreline—often called the park’s warm “Riviera”—before heading inland. The trail travels through dense deciduous forest (lots of sugar maple and other hardwoods), then climbs toward one of the island’s higher ridge sections near Mount Desor. The summit area is fully wooded, so views are limited under the canopy. Along the way, keep an eye out for remnants of the Island Mine itself, including rock piles and an old steam engine tucked back in the trees.

Trail Character and Conditions

The tread is natural and often rough—think roots, rocks, and occasional mud. Between Siskiwit Bay and Island Mine Campground, beaver engineering can flood sections; rangers have been known to advise beach travel when water reroutes the trail. Water is scarce once you leave the bay, so top off and purify before you start the climb. Most hikers take 2–4 hours one way, depending on pack weight and conditions.

Best Time to Hike

Late spring through early fall is the window, when the park is accessible by boat or seaplane. June–August can be bug‑heavy (bring strong protection). Fall is a sweet spot: fewer insects, cooler temps, and great color in the hardwoods. Weekdays tend to be especially quiet on this interior stretch.

Tips

• Navigation: If you plan to poke around historic sites or seek out the wooded Mount Desor high point from the nearby Greenstone, bring a map and compass and know how to use them.
• Footing: Trekking poles and sturdy boots shine on the rooty, rocky sections and any beaver‑flooded detours.
• Itineraries: The trail slots neatly into bigger backpacking routes, often linking Siskiwit Bay with Island Mine Campground and the Greenstone for loops or longer traverses. If you’re chasing sweeping lake views, consider pairing with ridge or coastal segments elsewhere—this trail itself is more about interior forest and history than panoramas.