is a natural body of water, approximately 1,835
Acre s (7.43 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 only lake to keep its Dakatoh Indian name Okoboozhy meaning reeds and rushes.
The towns of
Spirit Lake and
Okoboji sit along its western shore.
The lake is shallow, with an average depth of 10 ft (3 m) and a maximum depth of 22 ft (7 m). During the summer months, it is prone to
Stratification and to overgrowth with algae.
Geologically, the lake, like its neighbors, is a
Glacial Pothole , a remnant of the most recent
Ice Age approximately 13,000 years ago.
The lake is a popular fishing destination in the region, especially for the catching of
Bullhead s.
