Plan Your Trip

Planning Your Trip

Costs and Fees

Fees for Isle Royale National Park are listed below. For $80, you can also buy an America the Beautiful Pass, which will give you entrance to all national parks and more than 2,000 federal recreation sites.

Best Time to Go

The best time to visit is generally late August to early September. The number of visitors drops sharply in September, but you’ll still have nice weather with average highs of about 63 degress Fahrenheit (17 Celsius). 

June and July also generally have good weather and crowding is not usually a problem in the park due to the difficulty in getting there.

Year-Round Temperatures

Average monthly high temperatures range from an average of 72.1℉ (22.3℃) in July to 17.6℉ (-8 ℃) in January.

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