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.
YUCAIPA: Due to the Youth Derby, the top lake will be closed to fishing through Saturday, Feb. 21, at 1 p.m.

New swim fees effective May 12, 2025
Use of waterslides at Yucaipa Swim Complex is included in new price.
New park admission is $15 per vehicle on weekends.
Yucaipa Swim Complex Cabanas
No online or call-ahead reservations are accepted. Check availability at swim complex day of visit. Reservations and payment are taken day of visit at Yucaipa’s pool facility on a first-come, first serve basis.
Weekends are considered Saturday & Sunday. Holiday weekends are considered Saturday, Sunday and Monday.
Three (3) small picnic shelters with table and grill.