Raging Waters Los Angeles, located in San Dimas, California, is one of the West Coast’s premier water parks, covering roughly 60 acres in the Puente Hills foothills of Los Angeles County. The park opened on June 18, 1983, on the site of the former Puddingstone Swim Park, and grew into what park management called California’s largest waterpark. Sitting near State Route 57 between Interstates 10 and 210, it draws summer crowds from across the greater Los Angeles, Inland Empire, and Orange County regions.
The park features more than 50 attractions ranging from calm family floats to adrenaline-pumping speed slides. Highlights include the Aqua Rocket — California’s only hydromagnetic water coaster, which propels riders at speeds up to around 30 mph along a 577-foot track — a one-million-gallon wave pool, a quarter-mile lazy river, and a 30,000-square-foot children’s water playground. A bonus piece of pop-culture history: the park’s slides inspired waterpark scenes in the 1989 film Bill & Ted’s Excellent Adventure.
Stats at a Glance
- Location: San Dimas, California
- Opened: June 18, 1983
- Size: About 60 acres
- Attractions: More than 50
- Wave Pool: 1 million gallons
- Lazy River: Quarter mile
- Operator: Lucky Strike Entertainment (since July 2025)
Signature Rides and Attractions
The Aqua Rocket is the park’s most technically distinctive ride — a hydromagnetic water coaster installed in 2015 that uses magnetic propulsion to push riders uphill at speeds reaching around 30 mph across a 577-foot course, remaining the only ride of its kind in California. Thrill-seekers can also tackle the Dark Hole, a 52-foot enclosed tunnel drop credited as the first of its kind in the United States, and Neptune’s Fury, a 600-foot pitch-black raft slide. The Bombs Away trapdoor slides, added in 2023, are among the park’s newest extreme offerings.
For families, the 30,000-square-foot Kid’s Kingdom water playground and Little Dipper Lagoon provide shallow splashing fun, while Wave Cove’s wave pool generates rolling waves up to three feet high. The quarter-mile Amazon Adventure lazy river rounds out a full day for guests looking for a more relaxed afternoon.
History and Ownership
Raging Waters opened in 1983 on the grounds of the former Puddingstone Swim Park in San Dimas, becoming the flagship location of the Raging Waters brand. The park carried the Raging Waters San Dimas name for decades before rebranding as Raging Waters Los Angeles around 2016 to reflect its regional draw. Palace Entertainment operated the park for many years before Herschend Family Entertainment acquired it in May 2025. Just two months later, Lucky Strike Entertainment — the company behind Bowlero and a growing portfolio of entertainment venues — purchased Raging Waters Los Angeles alongside several other properties in July 2025.
The park operates seasonally, typically from mid-May through September, and remains a warm-weather staple for Southern California families.
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Raging Waters Los Angeles FAQs
When did Raging Waters San Dimas open?
Raging Waters opened on June 18, 1983, on the site of the former Puddingstone Swim Park in San Dimas, California.
What is the Aqua Rocket at Raging Waters?
The Aqua Rocket is California’s only hydromagnetic water coaster, installed in 2015. It uses magnetic propulsion to carry riders at speeds up to around 30 mph along a 577-foot course.
Who owns Raging Waters Los Angeles?
As of July 2025, Raging Waters Los Angeles is owned and operated by Lucky Strike Entertainment, which acquired the park from Herschend Family Entertainment.
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Photo by Julian Leung on Unsplash.