Step 3: Arrive at Isle Royale National ParkĪrrive at Rock Harbor via Ranger III or seaplane. Seaplane: Isle Royale Seaplanes is located at the Hancock Portage Canal Seaplane Base, 21205 Royce Road Hancock, MI 49930 Step 2: Travel to Houghton Transportation Departure Locationįerry: Ranger IIIserviced at the Park’s Mainland Headquarters located at 800 E. Houghton is located off US-41 at the base of the Keweenaw Peninsula.Īirplane: United Airlines provides daily flights to the Houghton County Memorial Airport, located eight miles north of Houghton on US-41.īus: Indian Trails offers daily service to Houghton, Michigan. It is 200 miles north of Green Bay, Wisconsin, 400 miles north of Chicago, Illinois, and 250 miles west of the Mackinac Bridge. Vehicle: Houghton is located in Michigan's Upper Peninsula. Departing from Houghton, Michigan Aboard the Ranger IIIor Isle Royale Seaplanes Step 1: Travel to Houghton, Michigan