Splash Pad Hours Saint Paul outdoor splash pads are open daily 9am-9pm from early June through Labor Day, weather permitting. Splash Pad Locations Outdoor splash pads are available to use free of charge during the summer at Conway Park, Roy Wilkins Park, Parque Castillo, and Phalen Beach. Splash Pad & Aquatic Center Map Conway Park Splash Pad Roy Wilkins Park Splash Pad Phalen Beach Splash Pad Parque Castillo Splash Pad