San Antonio-20 landscaped acres of cool water thrills, including Kid's Kove, a children's area with scaled-down rides and slides for the younger set. More than 50 rides include the Siesta Del Rio and the Lone Star Luge, that sends visitors twisting and sliding the length of two football fields. The park also has concession stands, sand volleyball courts, and basketball courts. I-35 at Coliseum Rd. Admission fee.