Duluth, Minnesota at the western end of the Saint Lawrence Seaway, the Duluth–Superior seaport is the largest and farthest-inland freshwater seaport in North America. By far the largest and busiest on the Great Lakes, the port handles an average of 46 million short tons of cargo and over 1,100 visits each year from domestic and international vessels. With of waterfront, it is one of the leading bulk cargo ports in North America and ranks among the top 20 ports in the United States. Duluth is a major shipping port for taconite pellets, made from concentrated low-grade iron ore and destined for midwestern
Minnesota Seaway east to the Atlantic Ocean, or the Hudson Bay watershed to the Arctic Ocean. The state's nickname, "Land of 10,000 Lakes", is apt, as there are 11,842 Minnesota lakes over in size. Minnesota's portion of Lake Superior is the largest at and deepest (at ) body of water in the state. Minnesota has 6,564 natural rivers and streams that cumulatively flow for . The Mississippi River begins its journey from its headwaters at Lake Itasca and crosses the Iowa border downstream. It is joined by the Minnesota River at Fort Snelling, by the St. Croix River near Hastings, by