Raging Waters San Jose, Northern California's Largest Water Park, offers 23-acres and millions of gallons of family fun and attractions, including the newest ride Bombs Away. Raging Waters features thrilling high-speed slides, and family attractions like the 350,000-gallon Wave Pool and The Pirate's Cove-an interactive themed water fort. Raging Waters is located off Tully Road and Capitol Expressway on the grounds of beautiful Lake Cunningham Regional Park and is easily accessible from major highways.