Lake Michigan-Huron, Great Lakes, USA & Canada
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Lake Michigan and Lake Huron – two of North America’s Great Lakes – are contiguous and they share the same elevation of 577 feet above sea level. They are connected by the five-mile-wide Straits of Mackinac. Hydrologically, this makes these “two lakes” a single lake.
Some hydrologists designate the combined entity of Lake Michigan and Lake Huron as “Lake Michigan-Huron.”
We list the combined entity here to acknowledge that some consider Lake Michigan-Huron to be the world’s largest freshwater lake, measured by its combined surface area of 45,410 square miles – about 29 million acres – surpassing Lake Superior’s 20.3 million acres.
The combined entity Lake Michigan-Huron is the world’s fourth-largest lake by volume: nearly 7 billion acre-feet. The world’s largest three freshwater lakes by volume are Lake Baikal (first, in Siberia), Lake Tanganyika (second, in central Africa), and Lake Superior (third, in North America).
At Lakelubbers, we treat Lake Michigan and Lake Huron as two separate lakes, but acknowledge the combined surface area and volume as “points of interest” to our visitors.
Lake Michigan-Huron Photo Gallery
Lake Michigan-Huron Statistics & Helpful Links
Lake Type: Natural Freshwater Lake, Not Dammed
Surface Area: 29,062,400 acres
Shoreline Length: 5,463 miles
Normal Elevation (Full Pond): 577 feet
Maximum Depth: 923 feet
Water Volume: 6,858,776,000 acre-feet
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