Duluth, Minnesota Lakes Waterway and the Saint Lawrence Seaway. Duluth forms a metropolitan area with neighboring Superior, Wisconsin, called the Twin Ports. The cities share the Duluth–Superior harbor and together are the Great Lakes' largest port, transporting coal, iron ore (taconite), and grain. A tourist destination for the Midwest, Duluth features the United States' only all-freshwater aquarium, the Great Lakes Aquarium; the Aerial Lift Bridge, which spans the Duluth Ship Canal into the Duluth–Superior Harbor; and Minnesota Point (known locally as Park Point), the world's longest freshwater baymouth bar, spanning . The city is also the starting point for vehicle trips along
Duluth Township, St. Louis County, Minnesota Duluth Township, St. Louis County, Minnesota Duluth Township is a township in Saint Louis County, Minnesota, United States. The population was 1,941 at the 2010 census. The township is located on the North Shore of Lake Superior. North Shore Scenic Drive (County Road 61), the Minnesota 61 Expressway (MN 61), and Homestead Road (County Road 42) are three of the main routes in the township. McQuade Road runs north–south along Duluth Township's western boundary line with adjacent Lakewood and Normanna Townships. The unincorporated communities of French River, Palmers, and Clover Valley are located within Duluth Township. According to the United