The park provides 150 acres of outdoor recreation activities in an urban setting. There is a wide range of activities including two lakes for fishing, a swim complex with water slides, splash pad, picnic tables and group picnic shelters for corporate events, large parties and family reunions.

Cucamonga-Guasti Regional Park

The Greater Ontario Sports & Entertainment Authority (powered by GOCAL-Greater Ontario California CVB) is proud to be the cornerstone for all sports-related activities in the cities of Ontario and Rancho Cucamonga, California. Our team has proven performance of successful event planning and execution, combined with a collaborative partnership between the organization and event venues to guarantee a successful, memorable experience from start to finish. The Authority works hand-in-hand with the GOCAL to find and secure the best hospitality for all events in-market. Our team can also help you navigate the permitting process, find vendors for any possible service needed, and provide recommendations to market and promote all events locally to ensure their success.

The Greater Ontario Sports & Entertainment Authority treats each project as a unique opportunity to create a lifelong memory for participants, fans and administrators. Upon your expression of interest in bringing your event to Greater Ontario and the Inland Southern California region, our team will meet with you, develop an action plan and determine how the Authority is best suited to help you reach your goals. The Authority guarantees excellent service, unparalleled access and unique thinking when it comes to crafting the experience for everyone involved in your event.

Cucamonga-Guasti Regional Park

About Cucamonga-Guasti Regional Park

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