RESERVATION SITE: We are currently experiencing glitches after launching the new system. If you are experiencing difficulties making a reservation or see missing campsite/shelter photos, we are working to resolve these issues as soon as possible. Thank you for your patience. The new website is address is www.parkreservations.sbcounty.gov.
CUCAMONGA-GUASTI: The direct park phone line is out of service. Please call our main office at 909-387-2757. We apologize for any inconvenience.
MOJAVE RIVER FORKS: Due to an ongoing pavement project on State Route 173, there may be traffic delays leading to the park entrance.
PRADO: Day watering is scheduled by the Peacock, Red Tail Hawk, Blue Heron, Osprey and Mallard picnic shelters.
- This event has passed.
Swim at Glen Helen
New Swim Complex fee, beginning May 12, 2025.
New fee includes use of splash pad and waterslides.
- Memorial Holiday weekend: $20/person per day on Friday, Saturday, Sunday.
- Children under age three (3) are free.
- Must be at least 48″ (inches) tall to ride the slides.
Park Admission on Holiday is $20 per vehicle. Park admission is a separate fee from swim facility.
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