(Modjeska Canyon, Calif.) –  Following an extensive restoration project, the oldest building on the grounds of OC Parks’ Arden: Helena Modjeska Historic House and Gardens is complete. Originally…

We start our ride through OC Parks’ Irvine Ranch Open Space on the paved Hicks Haul Road, the extension of Jeffrey Rd north of Portola Pkwy. As we warm up on the climb to the top of the road, we…

Join us for an extremely challenging and strenuous hiking adventure in the scenic Fremont Canyon Wilderness Area. This 16-mile loop hike is for experienced, physically fit distance hikers. The hike…

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…

Join us Sunday morning in OC Parks’ Irvine Ranch Open Space for a fitness-focused hike on the Hicks Haul Road, West Loma and Shoestring trails in Limestone Canyon. Hikers will enjoy wonderful views…

A Best Management Practice is defined by the EPA as a technique, measure or structural control that is used for a given set of conditions to manage the quantity and improve the quality of stormwater…

Join us in OC Parks’ Irvine Ranch Open Space for a challenging, docent-led mountain bike ride through Fremont Canyon to the unique geological formation known as Lizard Rock. This 16-mile out-and…

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…

IRC Volunteers are needed to support IRC managed Exploration Day, a special event that provides the public with a rare opportunity to explore designated wilderness areas through a self-guided…

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…