Isle Royale National Park

Explore Raspberry Island

FamiliesNature LoversPhotographers
1 mi Distance
2-6 hours Estimated Time
Out & Back Trail Type

What to Expect

Getting to Raspberry Island is half the adventure — you'll either paddle a canoe across the Rock Harbor channel or hop aboard the MV Sandy tour boat, which already puts this walk in rare territory for a national park trail. Once you step onto the dock, a boardwalk threads you through a dense boreal spruce bog that feels ancient and hushed, the kind of place where sphagnum moss cushions every surface and the air smells like wet earth and conifer resin. The trail is short — barely a mile — but don't mistake brevity for boring. You'll cross through fragile wetland ecosystems most visitors to Isle Royale never see, then reach rocky shoreline vistas looking out across Lake Superior. The boardwalk keeps things accessible, though roots and rocks pop up on the non-boardwalk sections. This one is perfect for curious naturalists, families with kids who like boats, and anyone who wants a genuine island-within-an-island experience without committing to a backcountry slog.
FamiliesNature LoversPhotographersAccessible TrailsPaddlers

Safety Advisory

The boardwalks get genuinely slick when wet — after rain or heavy dew, take it slow and avoid any temptation to step off the boards, as the bog ecosystem is fragile and you can sink ankle-deep in hidden muck.

If paddling to the island, wear a PFD and check wind forecasts; Lake Superior water temperatures hover around 50 degrees even in summer, and a capsize in the channel is a serious hypothermia risk.

Trail Details

Distance 1 miles round-trip
Estimated Time 2-6 hours
Trail Type Out & Back
Pets Not allowed
Season Year-round
Trailhead Explore Raspberry Island

Pro Tips

Trail Tip

Book your MV Sandy reservation through Rock Harbor Lodge early in your trip — slots fill fast in July and August, and weather cancellations can eat your backup days.

Trail Tip

If you're paddling over by canoe, launch from the Rock Harbor dock during calm morning conditions; afternoon winds on the channel can turn a pleasant paddle into a white-knuckle crossing.

Trail Tip

Bring a macro lens or your phone's close-up mode — the spruce bog is loaded with carnivorous sundew plants, unusual mosses, and orchids that reward a slow, close look far more than a wide-angle sweep.

Photos

Getting There

More Trails in Isle Royale

Explore Isle Royale National Park

36 campgrounds, 65 trails, 29K annual visitors

View Park Guide