Island Park Reservoir which is formed by Island Park Dam is a major feature of the Mindoka Project. Recreation on this 11 square mile (7, 000-acre) reservoir with 64 miles of shoreline is administered by the Targhee National Forest.
Lake Cascade which is formed by Cascade Dam is part of the Boise Project. Managed by the Bureau of Reclamation, this 44 square mile (28, 300-acre) lake offers 86 miles of shoreline.
Located in "the panhandle" of northern Idaho and extending into eastern Washington State and western Montana, lies the Idaho Panhandle National Forest.