Join OC Park naturalists for story time and short hike with your little ones (ages 3 to 6) as we explore chemistry! We will discuss how chemistry affects biology, make a…

NOTICE OF PUBLIC HEARING BY THE ORANGE COUNTY ZONING ADMINISTRATORSUBJECTPublic Hearing on Planning Application PA23-0030 for a Site Development Permit and Use Permit for a Model Homes Sales Complex.…

Come enjoy an early morning hike in Fremont Canyon Nature Preserve, part of OC Parks’ Irvine Ranch Open Space. Our hike climbs steeply from the mouth of Fremont Canyon, past an abandoned coal mine up…

Experienced 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-paced ride…

You will enjoy a gorgeous sunset with panoramic views of Orange County while hiking in OC Parks’ Irvine Ranch Open Space on the paved Hicks Haul Road. This hike travels 6 miles, out and back crossing…

Enjoy miles of lush oak studded canyons, fascinating rock formations and sweeping views from the Overlook Trail in the tranquility of the Weir Canyon back country, part of OC Parks’ Irvine Ranch Open…

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…

Join us for an evening mountain bike ride through Limestone Canyon, part of OC Parks’ Irvine Ranch Open Space. We will be starting during daylight and ending in the dark. This should not be your…

Come join us on an activity designed to provide basic skills to allow you to plan and execute your own hikes. We will be using Orange County Park maps which are available for the Irvine Ranch Open…

Enjoy a morning at Clark Regional Park and learn about ancient sharks! Participants will listen to a story, take a short walk in the park and make a paleontology-themed craft. The program will…