is a natural body of water, approximately 3,847
Acre s (15.57 km&
2) in area, in
Dickinson County in northwest
Iowa in the
United States . It is part of the chain of lakes known as the
Iowa Great Lakes . The town of
Arnolds Park, Iowa sits on its shore. The Dakotah Indian name for the lake was Minnetonka, meaning "great waters".
Its maximum depth is 136 feet (41 m), making it the deepest lake in Iowa and second in size only to
Spirit Lake . The mean depth is 39 feet (12 m). The drainage area of the lake is approximately 22
Square Mile s (57 km&
2).
Geologically, the lake, like its neighbors, is a
Glacial Pothole , a remnant of the most recent
Ice Age approximately 13,000 years ago.
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The depth of the lake makes it a popular regional destination for motor boating, water skiing, sailing, and swimming. The lake is also a popular fishing destination in the region. The main catches in the lake are
Yellow Perch ,
Bluegill , and
Walleye . It also contains significant populations of
Smallmouth Bass ,
Northern Pike ,
Muskie ,
Crappie and
White Bass ,
Black Bass .
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