Among the waterways linking the lakes are the St. Marys River, which flows from Lake Superior to Lake Huron; the Niagara River, connecting Lake Erie to Lake Ontario; and the narrow Straits of Mackinac, joining Lake Michigan and Lake Huron (hydrologically, the two lakes are considered a single body of water).
Where are the 5 Great Lakes located?
The Great Lakes — Superior, Huron, Michigan, Ontario and Erie — make up the largest body of fresh water on Earth, accounting for one-fifth of the freshwater surface on the planet at 6 quadrillion gallons.
What are the four Great 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".