Lake Superior has the highest surface elevation of the Great Lakes. Lake Superior has an average surface elevation of 601.1 ft above sea level. Lakes Huron and Michigan are connected, so they have the same elevation of 577.5 ft above sea level. Then it drops down a mere 8 ft to Lake Erie which has an elevation of 569.2 ft. Finally, after flowing through the Niagara River, the water drops down to Lake Ontario which has an elevation of only 243.3 ft.
Lake Superior is the Great Lake at the highest elevation, sitting at approximately 600 feet (183 meters) above sea level. This elevation contributes to its unique ecological and hydrological characteristics compared to the other Great Lakes. In contrast, Lake Michigan and Lake Huron are at nearly the same elevation, while Lakes Erie and Ontario are at lower elevations.
Lake Michigan and Lake Huron are connected at the Straits of Mackinac and share the same surface elevation. This elevation is approximately 577 feet (176 meters) above sea level. Because they are hydrologically linked, changes in water levels affect both lakes similarly. As a result, their water levels rise and fall in tandem, maintaining the same surface elevation.
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Great Lakes steelhead were introduced into the region from Pacific Northwest fish species
a contour line joins places of equal elevation
From East to West, the Great Lakes stretch for nearly a thousand miles across the heartland of the United States and Canada. The Great Lakes contain roughly 22% of the world's fresh surface water: 5,472 cubic miles. The combined surface area of the lakes is approximately 94,250 square miles (244,100 km2)-nearly the same size as the United Kingdom, and larger than the U.S. states of New York, New Jersey, Connecticut, Rhode Island, Massachusetts, Vermont and New Hampshire combined.
Movement of Tectonic Plates!
Movement of Tectonic Plates!
Lake Michigan
Lake Michigan
The Great Lakes do not have tides because they are not connected to the ocean. Tides are caused by the gravitational pull of the moon and the sun on the Earth's oceans, but the Great Lakes are freshwater bodies surrounded by land, so they do not experience the same tidal forces as the oceans.