The park is situated on land that was historically used for vineyards and citrus orchards.
The water play park area is seasonal and operates specifically during the warmer months of the year.
The park property includes an 18-hole disc golf course that winds through the facility's landscape.
The lakes utilize recycled water for irrigation and recreational sustainability.
A pedal boat rental program operates on the lakes during peak visitor months.
The park grounds serve as a common habitat for migratory waterfowl, including various duck and heron species.
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.
The pedestrian bridge overlooking the main lake with the airport runway in the background.
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.
Do not attempt to swim in the lakes, as only the designated water play area is approved for water contact.
The water play park is seasonal and closed during the cooler autumn and winter months.
No glass containers are permitted near the water play areas, and pets must be kept on a leash at all times.