Knott's Soak City U.S.A.-Orange County, 8039 Beach Blvd., next to Knott's Berry Farm Theme Park, is 13 acres of Southern California 1950s-themed water rides. Rides include speed-, tube- and body-slides as well as Tidal Wave Bay and a lazy river.
Rental lockers are available.
Picnicking is permitted. Food is available. Time: Allow 2 hours minimum.