How to Get to Isle Royale: Airports, Access, and Transportation
Isle Royale is unlike any other American national park. It's an island in the heart of Lake Superior, accessible only by ferry or seaplane. No roads reach the island, and no cars are allowed. The main departure port is Houghton, Michigan, about a six-hour crossing away. The nearest regional airport, Houghton County Memorial Airport (CMX), has connections to Chicago and Detroit. From Paris, plan on two days of travel before you set foot on the island.
Airports around the park (5)
- Airport Thunder Bay International Airport YQT · 34 miles from the park · international Directions ↗
- Airport Houghton County Memorial Airport CMX · 60 miles from the park · regional Directions ↗
- Airport Marquette/Sawyer International Airport MQT · 133 miles from the park · international Directions ↗
- Airport Ford Airport IMT · 155 miles from the park · regional Directions ↗
- Airport Rhinelander Oneida County Airport RHI · 167 miles from the park · regional Directions ↗
Base map © OpenStreetMap · © CARTO Where to Fly: Which Airport for Isle Royale
Nearest Regional Airport
Houghton County Memorial Airport (CMX), on Michigan's Keweenaw Peninsula, is the best-located airport if you're departing from Houghton. Regular flights connect it with Chicago O'Hare (ORD) and Detroit (DTW). From the airport, the Ranger III dock, the NPS ferry, is less than a 15-minute drive away.
Main International Hub
Chicago O'Hare (ORD) and Minneapolis-Saint Paul (MSP) handle transatlantic flights and offer the best connections to northern Michigan or Grand Portage, Minnesota. From ORD, plan on about 435 miles by road to Houghton, or 7.5 hours. From MSP, it's about 348 miles to Houghton, or 5.5 hours, and about 174 miles to Grand Portage, or 3 hours.
Getting to Isle Royale from France
There are no direct flights from Paris to Michigan. The smoothest route is Paris → Chicago O'Hare → regional flight to Houghton. If you're coming from the West Coast or Canada, Minneapolis is a practical alternative for reaching Grand Portage and boarding the Voyageur II.
Plan on a full day of transit before you even board the ferry. And book your crossing as soon as your flight is confirmed. Ferries often sell out several weeks before the high season. For details on trip costs, see the National Parks Fees & Passes page.
By Car: Getting to the Departure Ports
Cars aren't allowed on the island. But you'll need a car to reach one of the three mainland ports. Your vehicle will stay in the port parking lot for your entire trip. The lots are paid and monitored.
| Departure port | State | From Minneapolis | From Chicago |
|---|---|---|---|
| Houghton | Michigan | ~348 miles, 5.5 hours | ~435 miles, 7.5 hours |
| Copper Harbor | Michigan | ~385 miles, 6 hours | ~472 miles, 8 hours |
| Grand Portage | Minnesota | ~174 miles, 3 hours | ~541 miles, 9 hours |
Copper Harbor is 34 miles north of Houghton, at the end of the Keweenaw Peninsula. If you spend the night in Houghton beforehand, both Michigan options are easy to reach the next morning.
Ferries: Three Ways to Reach the Island
The ferry network is the backbone of the trip. Three operators leave from three ports and serve two arrival points on the island: Rock Harbor in the east and Windigo in the west.
Ranger III (NPS), Houghton → Rock Harbor
The national park's own ferry covers 73 miles of open water. Plan on about six hours. It runs on Tuesdays and Fridays from mid-May through mid-September. It's the slowest option, but it has the most capacity and is the only ferry that accepts large canoes. Reservations are required, and July departures often fill quickly.
Isle Royale Queen IV, Copper Harbor → Rock Harbor
The crossing takes about three and a half hours. It runs daily during the high season from Copper Harbor. This is a good choice if you're staying in Houghton or on the Keweenaw Peninsula the night before. You'll add 34 miles of driving and save two and a half hours on the water.
Voyageur II (GLST), Grand Portage → Windigo
From Minnesota, this route reaches Windigo in about two hours. The Voyageur II also makes stops along the island's South Shore, allowing you to plan an east-to-west loop. Kayakers and hikers who want to cross the island from end to end especially like this option.
The transportation season runs from May through September. Outside that window, the park is closed to the public. From November through mid-April, winter conditions prevail on Lake Superior.
Reaching the Island by Seaplane
Royale Air Service offers seaplane flights from Houghton, landing directly at Rock Harbor or Windigo. The flight takes about 35 minutes, compared with six hours by ferry. Fares are considerably higher, but the option works with folding canoes and kayaks. Check the company's website for current-season prices.
Getting Around the Island: On Foot and on the Water
Once you've arrived at Rock Harbor or Windigo, no motorized vehicles are allowed on the island, and no shuttle operates. For information on getting around the trails, inland lakes, and coastal channels, see the guide to getting around Isle Royale.
Other Options: Organized Excursions
Specialized outfitters offer all-inclusive trips that include round-trip transportation, camping, and canoe gear. This is a good introduction if you're arriving without equipment or want to travel with a guide who knows the lake's conditions. The park office in Houghton can point you toward authorized providers.
In Summary: The Best Route Based on Your Starting Point
From France, the most direct combination is still Paris → Chicago ORD → regional flight to Houghton → Ranger III or Isle Royale Queen IV. From the U.S. West Coast or Canada, going through Minneapolis and taking the Grand Portage ferry is often faster. Either way, book your crossing as soon as your flight is set. Capacity is limited, and demand is high in midsummer.
To round out your planning, see when to visit Isle Royale (the ideal window and seasonal conditions) and accommodations on the island and at the park's gateways.
Frequently Asked Questions
Is there a ferry to Isle Royale?
Yes. Three ferries serve Isle Royale from the mainland: the Ranger III (NPS) from Houghton, the Isle Royale Queen IV from Copper Harbor, and the Voyageur II from Grand Portage, Minnesota. They all operate from May through September.
How long is the ferry ride to Isle Royale?
It depends on the departure port: about six hours from Houghton on the Ranger III, three and a half hours from Copper Harbor on the Isle Royale Queen IV, and two hours from Grand Portage on the Voyageur II. The seaplane from Houghton cuts the trip to about 35 minutes.
What's the most affordable way to visit Isle Royale?
The ferry costs less than the seaplane. The Voyageur II from Grand Portage is generally the least expensive route. You'll also need to pay the park entrance fee, which is $7 per person per day or $60 for the annual pass. For entrance fees and annual passes, see the National Parks Fees & Passes page.
Can I bring my car to Isle Royale?
No. No motorized vehicles are allowed on the island. Your car stays in the departure-port parking lot for the duration of your trip. Once you're on the island, you can get around only on foot or by nonmotorized watercraft, such as a canoe or kayak.