Cucamonga-Guasti Regional Park
800 N. Archibald Ave.
Ontario, California 91764
Visit Website
Local Phone: (909) 481-4205
Home of the annual Doggie Poolooza end of summer event!
The rest of the year, this regional park allows leashed dogs. There is a nice path that winds along the lake which is a popular fishing spot. There is a minimal day use fee.