Two units on Cooper Lake: Dr.'s Creek features 42 multi-use camping facilities with water and electricity, boat ramp, 3/4-mile hiking trail, playground, sandy beach, and day-use picnic facilities, all ADA approved. South Sulphur unit features the same amenities. From I-30, take Texas 19 north to F.M. 71 West, then F.M. 3505 north to South Sulphur Unit's park entrance. Admission. For information, call 903/395-3100 for Dr.'s Creek and 903/945-5256 for South Sulphur; for reservations, call 512/389-8900.