4.6
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16,048
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04:20
16.8km
90m
Hiking
Hike the moderate 10.4-mile Rock Harbor Trail in Isle Royale National Park, offering scenic Lake Superior views and passing Suzy's Cave.
Last updated: February 26, 2026
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5.83 km
Highlight • Rest Area
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14.0 km
Highlight • Cave
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16.8 km
Highlight • Rest Area
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16.7 km
< 100 m
Surfaces
16.7 km
< 100 m
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Tuesday 12 May
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This route was planned by komoot.
Yes, the Rock Harbor Trail is located within Isle Royale National Park, which requires an entrance fee. Additionally, if you plan to stay overnight in any of the backcountry campgrounds along the trail, you will need to obtain a backcountry permit. You can find more information on fees and permits on the official National Park Service website.
No, pets are generally not allowed on trails or in the backcountry of Isle Royale National Park, including the Rock Harbor Trail. This policy helps protect the park's unique ecosystem and wildlife.
The best time to hike this trail is typically from late spring to early fall, when the park is fully open and weather conditions are most favorable. Mid-summer (July-August) offers warmer temperatures but can also be the busiest. For fewer crowds and beautiful fall colors, consider hiking in September.
The Rock Harbor Trail officially begins at Rock Harbor, which is the main entry point on the eastern end of Isle Royale National Park. Since Isle Royale is an island, there is no parking at the trailhead itself. Access is primarily by ferry or seaplane from mainland Michigan or Minnesota. Once you arrive at Rock Harbor, the trailhead is easily accessible.
The terrain on this trail is quite varied. You'll encounter packed dirt, small rocks, and rock outcrops. Be prepared for sections with roots, loose rocks, and bedrock, including some steep and challenging rock faces. There are also wooden boardwalks that cross swampy or sensitive areas. While the initial part is relatively easy, the section from Daisy Farm Campground to Moskey Basin is more difficult, involving rolling rocky hills and forested dips.
The trail offers constant and incredibly scenic views of Lake Superior, often winding along bluffs and returning to the water's edge. You'll see Rock Harbor Inlet with its many islands, pass through coniferous forests, and wetlands. Notable points include Suzy's Cave (an inland sea arch) and Monument Rock. Keep an eye out for pebble-strewn beaches that offer great wildlife viewing opportunities.
Isle Royale is known for its wildlife. Along this trail, you might spot moose, especially near Hidden Lake which is a known moose lure. Other animals include snowshoe hares and garter snakes. Birdwatchers can enjoy seeing loons near the shoreline.
Yes, the Rock Harbor Trail is a key part of Isle Royale's trail system. It connects to several other paths, allowing for various loop opportunities and multi-day trips. The route also passes through sections of the Mount Ojibway Trail, Daisy Farm Trail, Mount Franklin Trail, and Lake Richie Trail.
The Rock Harbor Trail is one of the most popular and busiest trails in Isle Royale National Park, especially during mid-summer when ferries frequently arrive. If you prefer a quieter experience, consider hiking early in the morning or later in the season (e.g., September).
Yes, the trail provides access to several backcountry campgrounds, including Three Mile, Daisy Farm Campground, and Moskey Basin, making it ideal for multi-day trips. These campgrounds can fill up quickly during peak season. At the Rock Harbor area, you'll find amenities like a lodge, store, and visitor center.
While the trail is generally rated as moderate, the initial sections near Rock Harbor are relatively easy, making them suitable for beginners or those looking for a shorter day hike. However, some segments, particularly inland, involve more challenging rocky terrain and elevation changes, which might be more strenuous for novice hikers.