Join us every Wednesday night in OC Parks’ Irvine Ranch Open Space for a fitness-focused hike on the paved Hicks Haul Road. During the spring, summer and fall, hikers will enjoy wonderful sunset…

If 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 on this…

Join us for a slow-paced hike through Limestone Canyon Nature Preserve. Slowing our pace will encourage us to experience the land with all of our senses. If you enjoy recording your sightings of…

Join us in OC Parks’ Irvine Ranch Open Space for a challenging docent-led mountain bike ride for very experienced off-road riders in excellent cardio shape. Climb challenging State Spur to Cathedral…

Take a leisurely ride on beautiful Hall Canyon and Helo trail in the Black Star Wilderness Area, home of oak woodlands, grasslands, and coastal sage scrub. View evidence of the old ranch days when…

Join us on this moderate-paced hike over the ridge and the through beautiful Limestone Canyon Nature Preserve, part of OC Parks’ Irvine Ranch Open Space. We will enjoy short breaks at the East and…

Do you want to explore the Sinks, a geological rock formation that has got its reputation as “Orange County’s miniature Grand Canyon”? Come out and join us on a hike from the Portola staging area to…

As 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 will head out…

SAN CLEMENTE, Calif. (May 15, 2026) – On May 17, 2026, the Orange County Sheriff’s will conduct an enforcement operation focused on drivers suspected of violating the hands-free cell phone law.Under…

* This program has been canceled due to predicted cloud cover. *Embark on a journey through the stars at our Starr Party! For more than 25 years, Caspers Wilderness Park has been a hub for stargazing…