Calamus Lake is a man-made reservoir located in the state of Nebraska. It was created in the 1970s by damming the Calamus River to provide water for irrigation and recreation. The lake covers approximately 5,000 acres and is known for its clear waters and scenic surroundings. The area around Calamus Lake offers various outdoor activities, including fishing, boating, and camping. It is home to several species of fish, such as walleye and crappie, making it a popular destination for anglers. The surrounding landscape features rolling hills and native vegetation, providing a beautiful backdrop for visitors.