Clear Lake is a natural freshwater lake located in north-central Iowa. The lake was created around 14,000 years ago during the last glacial period. It covers an area of 3,684 acres and has a maximum depth of 14 feet. The lake is fed by several small streams and snowmelt runoff. The lake's watershed is primarily agricultural, with row crops such as corn and soybeans. The lake is a popular recreational destination, offering boating, fishing, swimming, and other water sports. The lake has a vibrant tourism industry, with many resorts, restaurants, and shops located on its shores. Clear Lake is also home to a variety of aquatic plant and animal species, including bass, walleye, and bluegill.