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.

You’re invited to the 2025 Lake Gregory Private Viewing Party on Saturday, July 5, 2025, at 6:30 PM, located at 24171 Lake Drive, Crestline, CA 92325. Celebrate the 5th Annual Lake Gregory Fireworks with an exclusive experience that includes premiere seating for the fireworks show, dinner, live music, and a complimentary raffle ticket for exciting giveaways. Tickets are $75 and can be purchased at www.lakegregory.com/events. Drinks will be available for purchase, and parking is limited and offered on a first-come, first-served basis in the North Shore lot. Gates open at 6:30 PM, and the fireworks begin at 9:00 PM. Don’t miss this unforgettable evening at the lake!