National Parks Journal
View from above the trees looking down at Duncan Bay Narrows, trees, Lake Superior, and Canada.

Photo: NPS / Paul Brown

Isle Royale National Park

Explore a rugged, isolated island far from our connected communities. Isle Royale offers adventures for backpackers, hikers, boaters, paddlers, and divers. Cross Lake Superior and make a commitment: Become a part of this island, and let it become a part of you. Find peace and refuge in island wilderness – because Isle Royale, in turn, finds refuge in us. Help Isle Royale stay wild.

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Entrance Fees

Entrance - Per Person$7.00

Activities

Arts and CultureAstronomyStargazingBoatingMotorized BoatingSailingBoat TourCampingBackcountry CampingCanoe or Kayak CampingGroup CampingFishing

Top Hikes

Stoll Memorial Trailmoderate

4.2 mi · loop

Figure-eight trail combining wooded Tobin Harbor with rocky Rock Harbor shoreline, converging at Scoville Point with Lake Superior views.

Starts at: Rock Harbor Lodge

Suzy's Cave Trailmoderate

3.8 mi · loop

Follow trails to an inland sea arch formed by wave action 4,000 years ago when lake levels were higher.

Starts at: Rock Harbor Campground

Huginnin Cove Loopmoderate

9.4 mi · loop

Two-part loop to Isle Royale's scenic north shore, passing historic mine remnants and Lake Superior views.

Starts at: Windigo

Lookout Louise Trailstrenuous

1.2 mi · 300 ft gain · out & back

Steep climb to the most spectacular viewpoint on the island, overlooking Duncan Bay with views of Canada.

Starts at: Hidden Lake

Upcoming Events

No upcoming events scheduled for Isle Royale National Park. Events are updated daily — check back soon or visit nps.gov for the latest.

Best Time to Visit

Best time to visit: May

Pleasant weather with fewer crowds

Jan

21° / 3°F

1.9" rain

Fewer visitors

Feb

24° / 4°F

1.26" rain

Fewer visitors

Mar

34° / 15°F

1.46" rain

Fewer visitors

Apr

Now

43° / 27°F

2.32" rain

Fewer visitors

May

54° / 37°F

2.7" rain

Fewer visitors

Jun

63° / 46°F

2.85" rain

Most visitors

Jul

70° / 53°F

2.85" rain

Most visitors

Aug

70° / 55°F

2.49" rain

Most visitors

Sep

63° / 48°F

2.77" rain

Moderate

Oct

49° / 36°F

2.9" rain

Fewer visitors

Nov

38° / 25°F

2.27" rain

Fewer visitors

Dec

27° / 13°F

2.17" rain

Fewer visitors

Weather & Climate

Isle Royale National Park is a remote island wilderness in the middle of Lake Superior. Weather influences traveling to and from the island, as well as your trip once you arrive. For the most up-to-date weather information, call (906) 482-0984 or email isro_parkinfo@nps.gov prior to your trip.

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National Parks Journal

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