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.
5th Annual Firework Extravaganza at Lake Gregory Regional Park
Join us for the 5th Annual Fireworks Extravaganza on Saturday, July 5, 2025, at Lake Gregory Regional Park, located at 24171 Lake Drive in Crestline, CA. Enjoy a full day of family fun with beach access open from 10:00 AM to 5:30 PM. Gates will reopen at 6:30 PM for Jamboree Days, leading up to the spectacular Fireworks Extravaganza at 9:00 PM. Admission to the event is free, and limited parking is available for $20 (cash only) in the South Lot and San Moritz Lot. Don’t forget to bring your blankets and get there early to grab a good spot for the show. We look forward to seeing you there!
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