King's Highway 61, commonly referred to as Highway 61 and historically known as the Scott Highway, is a provincially maintained highway in the Canadian province of Ontario. The 61-kilometre (38 mi) route connects the Pigeon River Bridge, where it crosses into the United States and becomes Minnesota State Highway 61, with a junction at Highway 11, Highway 17 and the Harbour Expressway in Thunder Bay. The highway forms part of the Lake Superior Circle Tour.

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.