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Regional map of Isle Royale National Park

Isle Royale National Park is located in the northwest corner of Lake Superior. The island contains a roadless backcountry which prohibits the use of all wheeled vehicles and devices (except wheelchairs). Visitors traveling to Isle Royale must arrive by boat or seaplane. There are a variety of transportation services available that depart from Houghton, Michigan, Copper Harbor, Michigan and Grand Portage, Minnesota. Vehicular parking is available at all departure locations.


Michigan Departure Points

Houghton, Michigan (Ranger III and Isle Royale Seaplanes)
Vehicle: Houghton is located in Michigan's Upper Peninsula. It is 200 miles north of Green Bay, Wisconsin, 400 miles north of Chicago, Illinois, and 250 miles west of the Mackinac Bridge. Houghton is located off of US-41 at the base of the Keweenaw Peninsula.

Airplane: United Airlines provides daily flights to the Houghton County Memorial Airport, located eight miles north of Houghton on US-41.

Bus: Indian Trails offers daily service to Houghton, Michigan.

Copper Harbor, Michigan (Isle Royale Queen IV)
Vehicle: Copper Harbor is located at the tip of Michigan's Keweenaw Peninsula, in the Upper Peninsula of Michigan. It is located off US-41 just 52 miles north of Houghton, Michigan.

Airplane: United Airlines provides daily flights to the Houghton County Memorial Airport, located 44 miles south of Copper Harbor on US-41.

Bus: Unavailable.

Minnesota Departure Points

Grand Portage, Minnesota (Voyageur II and Seahunter III)

Vehicle: Grand Portage, located in Minnesota's northeastern section, is 150 miles north of Duluth, Minnesota. It is located off US-61 50 miles southwest of Thunder Bay, Ontario, Canada.

Airplane: The closest airport, Thunder Bay International, is 50 miles northeast of Grand Portage. The Duluth International Airport is located 150 miles south of Grand Portage.

Bus: Arrowhead Transit offers daily service between Duluth and Grand Marais with stops along the North Shore of Minnesota. Daily Shuttles then run between Grand Marais and Grand Portage.

Last updated: September 2, 2020

Contact the Park

Mailing Address:

800 East Lakeshore Drive
Houghton, MI 49931


(906) 482-0984

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