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Parks

Cucamonga-Guasti Regional Park

4.3 · 2,812 reviews
Active and family-oriented
Cucamonga-Guasti Regional Park, 800 N Archibald Ave, Ontario, CA 91764, United States
Interesting facts
1

The park is situated on land that was historically used for vineyards and citrus orchards.

2

The water play park area is seasonal and operates specifically during the warmer months of the year.

3

The park property includes an 18-hole disc golf course that winds through the facility's landscape.

4

The lakes utilize recycled water for irrigation and recreational sustainability.

5

A pedal boat rental program operates on the lakes during peak visitor months.

6

The park grounds serve as a common habitat for migratory waterfowl, including various duck and heron species.

Overview

Cucamonga-Guasti Regional Park is a 150-acre facility located in Ontario, California, distinguished by two spring-fed lakes used for recreational fishing. The park features the 'Lava Springs' water play park, which includes two large water slides and a zero-depth entry pool. It is centrally located near the Ontario International Airport, making it a prominent green space in the Inland Empire. The grounds offer designated picnic areas with barbecue grills and expansive lawns. The lakes are regularly stocked with trout and catfish, supporting local fishing enthusiasts. Its proximity to major transit corridors provides easy accessibility for regional day-trippers. The park functions as a major venue for local community events and seasonal gatherings.

Photo spot

The pedestrian bridge overlooking the main lake with the airport runway in the background.

Insider tips

Bring a portable shade canopy if you plan to picnic, as shade trees are sparse in some open lawn areas.

Check the official San Bernardino County Parks website for the seasonal status of the water play area before arrival.

Purchase a California state fishing license before arriving if you intend to fish in the lakes.

What to avoid

Do not attempt to swim in the lakes, as only the designated water play area is approved for water contact.

Good to know

The water play park is seasonal and closed during the cooler autumn and winter months.

Etiquette

No glass containers are permitted near the water play areas, and pets must be kept on a leash at all times.

Plan your visit
Typical visit
3-5 hours
Best time to visit
Weekday mornings during late spring or early autumn to avoid extreme heat and weekend crowds.
Address
Cucamonga-Guasti Regional Park, 800 N Archibald Ave, Ontario, CA 91764, United States
34.073, -117.591
Get directions
Details
Water FeaturesTwo fishing lakes and seasonal water slides
AmenitiesDisc golf course and covered group picnic shelters

Frequently asked

Plan for about 3-5 hours to see the highlights.

The best time to visit is Weekday mornings during late spring or early autumn to avoid extreme heat and weekend crowds..

The pedestrian bridge overlooking the main lake with the airport runway in the background.

Close by you'll find Ontario Motor Speedway Park, Central Park, Milliken Park.