Northern California's largest water park with 23 acres and millions of gallons of family fun. The park features dozens of attractions including high-speed slides, a 350,000 gallon Wave Pool and an interactive water themed fort, Pirate's Cove. Raging Waters is located off Tully Road on the grounds of the Lake Cunningham Regional Park in San Jose. The park operates seasonally from May into September. Be sure to call in advance to verify operating hours and days.