The Board of Supervisors approved an increase to certain parks fees effective May 12, 2025. Fees affected include new park admission, fishing & swim fees. To view new fees, click on the respective links.
Hot chocolate bar from 3 p.m. to 4:30 p.m. Free with park admission of $8 per car. Park hours are 7:30 a.m. to 5 p.m.For more information about Guasti, visit parks.sbcounty.gov/park/cucamonga-guasti-regional-park.