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Horseshoe Lake

Lake in Horseshoe Lake State Park in Pontoon Beach, IL

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Horseshoe Lake, a National Natural Landmark, is located in the American Bottom of Illinois within the greater St. Louis metropolitan area, is 2,400 acres (10 km2) in size, and is the second-largest natural lake in Illinois after Lake Michigan. An oxbow lake which is a remnant of a Mississippi River meander, the lake's elevation is 403 feet (123 m) above sea level. The lake is the site of Horseshoe Lake State Park, which is 2,960 acres (12 km2) in size. The lake is bordered by the towns of Madison and Granite City; it is located within Nameoki Township, about four miles east of St. Louis, Missouri. The lake is very shallow, about three feet (1 m) deep throughout most the lake. There is however one deep spot, about 54.5 feet (16 m) deep, due to dredging for sand in years past. The lake is…

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Lake