Which Canadian Province and U.S. States Border Lake Superior?

Lake Superior, the largest of the Great Lakes by surface area, forms a natural border between Canada and the United States. Its shoreline touches just one Canadian province and three U.S. states, making it a defining geographic feature for the region.

The Canadian Border

To the north, Ontario is the sole Canadian province that borders Lake Superior. The province's rugged, forested coastline stretches for hundreds of miles along the lake's northern shore, encompassing iconic landscapes like the Sleeping Giant provincial park and the remote wilderness of Pukaskwa National Park.

The U.S. Borders

On the southern shore, three states share the lake's coastline:

• Minnesota claims the westernmost tip of the lake, including the port city of Duluth—one of the world's largest inland ports.
• Wisconsin hugs the southwestern shore, offering sandy beaches, sea caves, and the historic Apostle Islands National Lakeshore.
• Michigan wraps around the eastern and southern edges of the lake's upper peninsula, providing access to dramatic shorelines like Pictured Rocks National Lakeshore.

Together, these four jurisdictions manage one of the planet's largest bodies of fresh water, a resource vital for shipping, recreation, and ecology.