Isle Royale National Park
571,790
Acres
28,800/year
Annual Visitors
$7/day
Entry Fee
June through September
Best Time to Visit
National Park Service
National Park
Isle Royale was established on April 3, 1940, protecting a remote archipelago in Lake Superior accessible only by boat or floatplane. The island hosts one of the longest continuous wildlife studies in the world: wolf and moose populations monitored since 1958.
What Isle Royale Is Known For
Wolf and moose research
Wilderness backpacking
Lake Superior isolation
Scuba diving on shipwrecks
Top Activities
Backpacking multi-day trails
Canoeing and kayaking
Scuba diving on Great Lakes shipwrecks
Wildlife watching for moose and wolves
Fishing for lake trout
Our Isle Royale Articles

Educational Resources

Things to Do
11 Adventures at Isle Royale National Park

National Parks
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National Parks
All 63 US National Parks Ranked (2026 Update)

Best of National Parks
Complete National Parks List: Every Park in the US
Winter
15 Best National Parks to Visit in December

Fall
15 Best National Parks to Visit in November

Summer
15 Best National Parks to Visit in August

Best of National Parks
15 Best National Parks to Visit in January

Best of National Parks
10 Most Visited US National Parks

Spring
15 Best National Parks to Visit in March (+Road Trip Guide)

History
6 Beautiful Michigan National Parks You Need to See
Plan Your Visit
Nearby National Parks
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