FULL PARK CLOSURES: The following parks will be closed on Wed., Nov. 18, Cucamonga-Guasti, Glen Helen, Mojave Narrows, Prado and Yucaipa.
NEW PARK HOURS: Starting Saturday, on Oct.31, park hours will be 7:30 a.m. to 5 p.m. through May 2027.
LAKE ALGAE NOTICES: Both lakes at Cucamonga-Guasti & Glen Helen are under a Caution status. Prado is under a Caution status. Learn more about algal blooms.
MOJAVE NARROWS: Splash pad will be closed after Monday, Sept. 7 through May 2027 for construction of a new splash pad.
SPLASH PADS: Are open at Guasti. Prado splash pad is closed for maintenance until further notice.
YUCAIPA: Be advised that lining up or stopping on Oak Glen Rd. to enter Yucaipa is not permitted prior to 7:30 a.m. ‘No Stopping’ signs are posted along Oak Glen Rd. for safety and traffic impact.
SANTA ANA RIVER TRAIL: Be advised that the road between La Cadena and Riverside Avenue will be narrow due to maintenance until further notice.
GLEN HELEN: The Glen Helen Ribbon Cutting Ceremony scheduled for Saturday, November 14, 2026, at 10:00 a.m. will take place rain or shine.

Experience a day on the lake with a high-energy day of fishing, fresh mountain air and friendly competition on the water as The Lake Gregory Company hosts its second annual trout derby on Saturday, April 18, from 7 a.m. to 1:30 p.m. with first, second and third place prizes of $1,000, $500 and $250 for top winners of all ages.
For the derby, the lake will be stocked with 1,700 pounds of trout, including rainbow trout, lightning trout, plus 300 pounds of trophy-size fish.
This community event is open to all ages and a state fishing license is required for ages over 16. The derby will be held rain or shine and no refund will be issued.
Register for the derby online at lakegregory.com/fishing before 9 p.m. on Friday, April 17. The entry fee is $39.10 per person.
Is there a special prize category for kids?
YES, a special Kids’ Division with prizes for participants ages 15 and under will be offered for this group. To qualify for this category, anglers must be 15 years old or younger on the day of the event and hold a valid derby ticket.
The winner in this division will be determined by the longest trout caught within the age group during official derby hours.
Derby Schedule
For more information on the derby rules, use of float tubes, boat rentals and boat launch passes, parking, FAQs and prizes, visit lakegregory.com/fishing.
The recreation Company is a concessionaire of Lake Gregory Regional Park and is managed by the Regional Parks department.
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