Lake Superior Lake Superior Lake Superior (; ), the largest of the Great Lakes of North America, is also the world's largest freshwater lake by surface area, and the third largest freshwater lake by volume. The lake is shared by the Canadian province of Ontario to the north, the U.S. state of Minnesota to the west, and Wisconsin and the Upper Peninsula of Michigan to the south. The farthest north and west of the Great Lakes chain, Superior has the highest elevation of all five great lakes and drains into the St. Mary's River. The Ojibwe name for the lake is "gichi-gami"
Flathead Lake Flathead Lake Flathead Lake (Salish: člq̓etkʷ ) is a large natural lake in northwest Montana, and is the largest natural freshwater lake by surface area that is west of the source of the Mississippi River in the contiguous United States. The lake is a remnant of the ancient, massive glacial dammed lake, Lake Missoula of the era of the last interglacial. Flathead Lake is a natural lake along the mainline of the Flathead River. It was dammed in 1930 by Kerr Dam at its outlet on Polson Bay, and the lake level was raised by 10 feet. It is one