Join us on an equestrian ride up Agua Chinon Canyon in OC Parks’ Irvine Ranch Open Space. We will make our way to see the wonders of the Sinks, Orange County’s mini Grand Canyon. Equestrians must…

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…

Come join us at Gypsum Canyon Wilderness, part of OC Parks’ Irvine Ranch Open Space. The hike is 3-4.5 miles in length with elevation gain. We will hike along Oven Canyon trail through mixed habitat…

Spend your morning helping to remove weeds and rebuild berms within the butterfly habitat islands in Limestone. With your help we will be able to maintain “islands” of host and nectar plants for…

Please 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. Designated…

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 through Fremont and Weir Canyons to Sierra…

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…

Enjoy an afternoon family hike in Black Star Canyon, part of OC Parks’ Irvine Ranch Open Space. We will hike along a flat trail and cross a dry creek as we watch for red-tailed hawks and mule deer.…

Enjoy a 3+ mile hike and gentle yoga practice in nature. The hike through Baker Canyon, part of OCParks’ Irvine Ranch Open Space, includes an elevation gain of approximately 500′ and will be a nice…

Come out and enjoy this family-fun activity on the Mesa. We will start with an activity to make your own fossil, then we will take a 2–3-mile hike looking for fossils deposited here in Orange County…