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…

Looking for a way to give back to Nature this Autumn? Come help us behind the scenes at the Irvine Ranch Conservancy’s one-of-a-kind Native Seed Farm in Irvine! Every day at the farm is different;…

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…

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…

Looking for a way to give back to Nature this Autumn? Come help us behind the scenes at the Irvine Ranch Conservancy’s one-of-a-kind Native Seed Farm in Irvine! Every day at the farm is different;…

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…

PRE-REGISTRATION is REQUIRED for this event. All participants are required to have, a printed copy or on their phone, the confirmation email to show through the window of their vehicle to drive…

Enjoy the relaxation of riding in the wilderness on empty trails. Join us on this docent-led mountain bike ride through Limestone Canyon, part of OCParks’ Irvine Ranch Open Space. We will visit the…

PRE-REGISTRATION is REQUIRED for this event. All participants are required to have, a printed copy or on their phone, the confirmation email to show through the window of their vehicle to drive…

Enjoy an afternoon family hike in Agua Chinon, part of OC Parks’ Irvine Ranch Open Space. We hike a gradual climb of 500 ft elevation as we watch for red-tailed hawks and mule deer.  This…