RESERVATION SITE: The new system is online and ready to use, noting there are missing images of the campsites and shelters. Please visit our new site at www.parkreservations.sbcounty.gov. We are working on restoring the missing images as soon as possible. Thank you for your patience.
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.
SANTA ANA RIVER TRAIL: Roadway painting from Waterman Avenue to Orange Street will occur between Feb. 2-4.

The catfish derby is a skilled event that runs August 1, 2023 thru August 31, 2023 at Cucamonga-Guasti Regional Park, Glen Helen Regional Park and Mojave Narrows Regional Park. The event is a skilled competition open to the general public and anglers of all ages. Derby entry is $5 and does not include the park entrance and park fishing fees. Gates open at 7:30 a.m. and the derby hours are from 7:30 a.m. to 2 p.m. State and County fishing regulations apply (except second pole stamp). Visit our fishing derby webpage or ask a park staff person for entry forms, rules & regulations and prize details.