Cook County is the easternmost county in the U.S. state of Minnesota. As of the 2020 census, the population was 5,600, making it Minnesota's seventh-least populous county. Its county seat is Grand Marais. The Grand Portage Indian Reservation is in the county.

Minnesota State Highway 61 is a 150.321-mile-long (241.918 km) highway in northeast Minnesota, which runs from a junction with Interstate 35 (I-35) in Duluth at 26th Avenue East, and continues northeast to its northern terminus at the Canadian border near Grand Portage, connecting to Ontario Highway 61 at the Pigeon River Bridge. The route is a scenic highway, following the North Shore of Lake Superior, and is part of the Lake Superior Circle Tour designation that runs through Minnesota, Ontario, Michigan, and Wisconsin.