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.

SUMMER KICK-OFF AT GLEN HELEN! Join Regional Parks, Libraries and Museums for our family-friendly Summer Kick-Off event at Glen Helen Regional Park on Saturday, May 23, from 11 a.m. to 2 p.m. The day will be filled with a live animal/reptile presentation by Wild Man Dan, arts & crafts, group games, giant bubbles, DJ music, and more.
The Library Adventure Bus will be on hand with books, games, giveaways and more. Food vendors will be on-site for hungry appetites or bring your own picnic lunch, blankets and chairs.
Admission is $20 per vehicle. The event will be held just outside the swim complex.
SWIM COMPLEX
For swimming, the swim complex will be open from 10 a.m. to 4 p.m. and we advise you to plan ahead and arrive early for swim entry, as we reach pool capacity quickly.
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