DescriptionPlease note: Preregistration is required due to limited parking capacity. Start your weekend off by exploring the Agua Chinon wash and the Sinks through this self-guided opportunity.…

DescriptionExperienced mountain bikers can explore one of the most rugged and remote areas of OC Parks’ Irvine Ranch Open Space from the trails of Fremont Canyon Nature Preserve on this moderate-…

DescriptionCome join us for an interactive evening under the stars.  Immerse yourself in a scaled-down version of our solar system.  Test your imagination in naming the constellations.…

DescriptionIf you are a beginner rider and perhaps have just completed one of the IRC mountain biking clinics or just want an enjoyable and relaxed ride in the Orange County wilderness, then join us…

Spring is here and with it comes longer park hours, warmer temperatures and more people – and wildlife – out in the parks.Spring-summer hours: Many parks close at 9 p.m., while others close at…

Join OC Parks naturalists for story time and short hike with your little ones (ages 3 to 6) as we learn about snow!Please park in parking lot C and we will meet by the restrooms next to the lake.…

DescriptionAs the day starts to settle into the night in OCParks’ Irvine Ranch Open Space, bats awaken, stir and streak into the evening sky. Come hear fascinating tales of our flying mammals. We…

An integrated pest management (IPM) program is a long-term, multi-faceted system that establishes economic thresholds and control strategies for pest populations.  The University of California…

DescriptionCome explore OCParks’ Irvine Ranch Open Space. This scenic hike involves steep climbs and descents on both double and singletrack trails and around 1100’ of accumulated climbing elevation…

DescriptionJoin us for this evening program as we explore biodiversity at the local level with that most diverse group of organisms, the insects! Taking advantage of the fact that UV light is highly…