Explore This Park

• Plan Your Visit
  • Basic Information
    • Operating Hours & Seasons

Operating Hours & Seasons

Aerial view of Washington Harbor.

NPS Photo/Paul Brown

Isle Royale National Park is open every year from April 16 through October 31. The island is closed from November 1 through April 15 due to extreme winter weather conditions and for the safety and protection of visitors. This closure extends 4.5 miles out into Lake Superior from the island. The park headquarters during the winter is in Houghton, Michigan. The summer headquarters is located at Mott Island on Isle Royale National Park.

 

Visitor Centers & Administrative Offices Locations & Hours

Houghton Visitor Center

Location: 800 E. Lakeshore Drive, Houghton, MI 49931

Seasons & Hours:
June - mid-September: Monday-Friday 8:00 am-6:00 pm EDT, Saturday 10 am - 6 pm EDT
Mid-September - May: Monday-Friday 8:00 am-4:00 pm EDT
(closed for fall and winter holidays)

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Rock Harbor Visitor Center

Location: Northeast end of Isle Royale National Park

Seasons & Hours:
May, June, and September: Reduced schedule; call [phone] for updated hours
July and August: Daily 8:00 am-6:00 pm EDT

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Windigo Visitor Center

Location: Southwest end of Isle Royale National Park

Seasons & Hours:
May, June, September, and October: Reduced schedule; call [phone] for updated hours
July and August: Daily 8:00am-6:00pm EDT

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Administrative Offices

Location:
May-September: Mott Island, Isle Royale National Park
October-April: 800 E. Lakeshore Drive, Houghton, MI 49931

Seasons & Hours:
Year-round: Monday-Friday 8:00am-4:30pm EDT
(closed for all federal holidays)