Cascade Reservoir is a large body of water located in Idaho, primarily used for irrigation, recreation, and flood control. It was created by the construction of the Cascade Dam on the South Fork Payette River. The reservoir covers approximately 1,000 acres and offers various activities such as fishing, boating, and camping. The surrounding area features scenic views and abundant wildlife, making it a popular destination for outdoor enthusiasts. The U.S. Forest Service manages the nearby lands, providing access to hiking trails and picnic areas. Cascade Reservoir plays a vital role in supporting the local ecosystem and economy.