The Dale Hollow Reservoir is a reservoir situated on the Kentucky/Tennessee border. The lake is formed by the damming of the Obey River, 7.3 miles (11.7 km) above its juncture with the Cumberland River at river mile 380. Portions of the lake also cover the Wolf River. Dale Hollow is one of four major flood control reservoirs for the Cumberland; the others being Percy Priest Lake, Lake Cumberland, and Center Hill Lake. It is also the site of Dale Hollow Lake State Park on the north (Kentucky) side.

Center Hill Lake is a reservoir in the U.S. state of Tennessee. It is located in Middle Tennessee near Smithville. Created by means of a dam constructed by the U.S. Army Corps of Engineers in 1948, the lake has a dual purpose: electricity production and flood control. Center Hill Dam is 260 ft (79 m) high, and it is composed of concrete and earth structures, with 8 gates that are 50 ft (15 m) wide each. Center Hill Lake is one of four major flood control reservoirs for the Cumberland; the others being Percy Priest Lake, Dale Hollow Reservoir, and Lake Cumberland.