Calamus Reservoir State Recreation Area is located in Nebraska, covering over 5,000 acres of land and water. The area features a large reservoir, which is popular for activities such as fishing, boating, and swimming. Visitors can also enjoy hiking and picnicking along the scenic shores. The recreation area is home to diverse wildlife, making it a great spot for birdwatching and nature photography. Campgrounds are available for those who wish to stay overnight, providing a perfect opportunity to experience the natural beauty of the Calamus Reservoir and its surroundings.