Great Lakes of the lakes: Ontario does not border Lake Michigan, and Michigan does not border Lake Ontario. New York and Wisconsin's jurisdictions extend into two lakes, and each of the remaining states into one of the lakes. As the surfaces of Lakes Superior, Huron, Michigan, and Erie are all approximately the same elevation above sea level, while Lake Ontario is significantly lower, and because the Niagara Escarpment precludes all natural navigation, the four upper lakes are commonly called the "upper great lakes". This designation, however, is not universal. Those living on the shore of Lake Superior often refer to all the
Four Mile Lake (Ontario) Four Mile Lake (Ontario) Four Mile Lake is a lake in the city of Kawartha Lakes in Central Ontario, Canada. The lake is northeast of Coboconk, Ontario and west of Burnt River. It is one of the Kawartha Lakes series of lakes and is in the Great Lakes Basin. Four Mile Lake is a relatively shallow warm water lake with a surface area of . The lake is located in the sub watershed of Corben Creek and has a flushing rate of approximately five years. The lake is located on the boundary between two different geological land forms. The northern