Los Angeles Waterparks
Book Tickets to California's Largest Water Park
Beat the Southern California heat at Raging Waters Los Angeles in San Dimas, the largest water park in California, with more than 50 slides, rides, and attractions about 30 minutes from downtown LA.
Which Waterpark is Best For You?
Good to Know Before You Go
Raging Waters is a seasonal park, typically open from May through September. The 2026 season runs from May 9 to September 27, 2026.
Outside food and drinks are not permitted, except unopened bottles of water or empty refillable water bottles. Swim diapers are required for diapered children.
The park is cashless and accepts major credit cards, with cash-to-card kiosks on site. Lockers can be rented for the day, and parking is charged separately.






