NEW FALL PARK HOURS: Are 7:30 a.m. to 6:30 p.m. through Oct.30 (excluding Calico). Starting on Oct.31, parks will close at 5 p.m.
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.
CALICO GHOST TOWN: The phone line is currently down. If you need assistance, call our main number 909-387-2757.
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.
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.

Join Us for Summer Fun at Big Morongo Canyon Preserve!
Thursday, August 7 | 9 AM – 12 PM
Bring the whole family and enjoy a morning of free, hands-on exploration and engaging activities at Big Morongo Canyon Preserve!
Discover fascinating nature topics, use binoculars and microscopes to observe wildlife up close, and stay cool under the shady cottonwoods or inside the air-conditioned Nature Center.
Location: Big Morongo Canyon Preserve
10555 East Drive, Morongo Valley, CA 92256
No registration required – just come ready to explore and learn!