West Okoboji Lake is a natural body of water, approximately 3,847 acres (15.57 km²) 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 miles (57 km²).

Geology

Geologically, the lake, like its neighbors, is a glacial pothole, a remnant of the most recent ice age approximately 13,000 years ago.

Recreation

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.

External links

• Iowa Department of Natural Resources site on East Okoboji Lake
• University of Iowa site on West Okoboji Lake chemistry
• U.S. Geological Survey site on West Okoboji Lake current temperature

Dickinson County, Iowa | Lakes of Iowa