Lake Red Rock is the largest lake in Iowa, covering over 15,000 acres. It was created by the construction of the Red Rock Dam on the Des Moines River in the 1960s. The lake serves multiple purposes, including flood control, recreation, and wildlife habitat. The area around Lake Red Rock offers various outdoor activities such as fishing, boating, and hiking. The Lake Red Rock State Park features campgrounds, picnic areas, and trails, making it a popular destination for families and nature enthusiasts. The lake is also home to diverse wildlife, including birds and fish.