Get ready to bounce, slide and splash your way through the largest inflatable aqua park in Southern California at Castaic Lake this Summer. California Bounce Systems is bringing back its popular Cali Splash Park to Castaic Lake for the 2026 summer season, transforming part of the lake into a massive floating playground packed with obstacles, ... The post Southern California’s Largest Inflatable Aqua Park Returns To Castaic Lake appeared first on KHTS Radio. ...read more read less