The Alton Splash Pad at the Riverfront Park is located near the Liberty Bank Alton Amphitheater and the Henry Street Park on Riverfront Park Driver. The Alton Splash pad is open daily, June 3rd through Labor Day, September 5th, 10am-5pm. Water shoes are highly recommended as the surface can be slick. Admission is FREE! See the Alton Parks and Rec Facebook page for more info.