Cucamonga-Guasti Regional Park

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800 N Archibald Ave
Ontario, CA 91764
+1 (909) 481-4205
http://cms.sbcounty.gov
Children laughing as they plunge down the water slide, volleyball players diving to make a save, anglers casting for the biggest catch of the week --These sights and sounds - and much more - can be experienced at Cucamonga-Guasti, which is conveniently located off the I-10 freeway in Ontario, making it a great place for everything from company picnics to outdoor concerts or dog and cat shows.Cucamonga-Guasti boasts two lakes for year-round fishing, as well as picnic areas, a water park, and pedal-boat rentals during summertime. The park is built on the site of a former winery, and the wooden vat remains as an attraction and backdrop for photos. A large bird population that includes blue herons and wood ducks will delight amateur ornithologists.

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Reviews

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3.0107 reviews
Photo of Tracey T.
Tracey T.
5/30/2025

I've been wanting to go to this park forever and I was not disappointed. It was so nice we met the man at the front gate and he gave us a basic run down where everything was and we decided to go...

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Photo of Tania T.
Tania T.
7/22/2024

This was our first time visiting the park. We came in on a Saturday and paid $10 for our parking. Our main purpose for visiting was the splash pad! Anyways, there were plenty of parking spots. We...

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Photo of Devin B.
Devin B.
11/24/2024

Such a unique park smack dab in the middle of a busy industrial area flanked by an international airport! With a full day in Ontario and a toddler to entertain I found Cucamonga Guasti regional...

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Monica R.
5/11/2025

Decided to go for the with family. Lake was closed but the spouts were open. Had great time. Clean, bathroom also clean. Every family was friendly. Oh and they are dog friendly. Take the...

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Tara T.
7/27/2025

Nice park but VERY expensive for families. $15 per person to fish, $15 per person to swim, $20 parking. If you can, go to Bonelli Park in San Dimas, just pay parking and you're in. No fishing or...

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