What is the largest freshwater lake entirely in the United States?

To the north, Lake Superior forms the largest expanse of freshwater in the world. To the east lies Lake Michigan, the largest freshwater lake entirely within the United States. Lake Michigan and Superior along with Huron, Erie and Ontario and their tributaries form the largest freshwater ecosystem on earth.



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Located in North America on the border between the United States and Canada, Lake Superior is the world's largest freshwater lake by surface area (82100 km2). The volume of Lake Superior surpasses that of all the other Great Lakes combined.

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Lawrence River watershed is one of the world's largest freshwater ecosystems. It contains about 84 percent of all the freshwater in North America, and is also home to about 30 million people. The watershed makes up lands in both the United States and Canada.

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Lake Michigan, the second largest Great Lake (by volume) and fifth largest lake in the world (by surface area), is a globally significant ecosystem. Stretching over 300 miles, it is the only Great Lake located entirely within the United States.

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Lake Bernard is the largest freshwater lake in the world without an island.

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Lake Ladoga, Russian Ladozhskoye Ozero or Ladozhskoe Ozero, largest lake in Europe, located in northwestern Russia about 25 miles (40 km) east of St. Petersburg.

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Forming c. 12 million years ago, the largest lake ever known to have existed on Earth is Megalake Paratethys, which extended from the eastern Alps of Europe to what is now Kazakhstan in central Asia.

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Crater Lake (1,943 feet [592 meters]) Crater Lake, located in the Cascade Range in Oregon, is the deepest lake in the United States. It is also a relatively young lake, having been formed about 7,700 years ago when a massive volcano called Mount Mazama collapsed following an eruption.

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Lake Nicaragua is the only freshwater lake containing oceanic animal life, including sharks, swordfish, and tarpon. More than 40 rivers drain into the lake, the largest being the Tipitapa River.

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Situated in south-east Siberia, the 3.15-million-ha Lake Baikal is the oldest (25 million years) and deepest (1,700 m) lake in the world.

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