Just next door to Knott’s Berry Farm, cool off at Knott’s Soak City, a 15-acre water park with waterslides, a wave pool, a lazy river, shaded cabanas and delicious dining options. Orange County’s largest outdoor water park boasts 23 waterslides, a 750,000-gallon wave pool, and one of the world’s longest water park lazy rivers, Sunset River. The three-story Beach House features interactive fun in the form of 200 water guns, nozzles, sprayers and other surprises. Plus, younger kids can enjoy hands-on water play at Gremmie Lagoon.