The LBJ is comprised of more than 20,250 acres with one developed recreation area located at Black Creek Lake. The recreation area consists of seven picnic units, seven walk-in camp units, one improved boat ramp and an accessible fishing bridge. No drinking water is available. The lake is approximately 30 acres in size. The discharge of firearms and hunting is prohibited on and around the lake.

The Cottonwood-Black Creek Hiking Trail is 4 miles long and connects the two lakes. It is rated moderately difficult. There are nearly 75 miles of multipurpose trails which run in the Cottonwood Lake vicinity.