Non-native and invasive plant species are invading our native habitat and open spaces. They aggressively compete with our native plants for resources and spreads rapidly once established. Monitoring…

Join us for an 6-mile leisurely hike to The Sinks, a truly surprising Orange County geological feature. We are adding extra time to this hike so that we can go at a more comfortable pace, taking our…

Come along with us on this early morning hike into beautiful Limestone Canyon Nature Preserve, part of OC Parks’ Irvine Ranch Open Space. You’ll be rewarded with a spectacular view of The Sinks as…

Take a leisurely equestrian ride through beautiful Limestone Canyon, part of OC Parks’ Irvine Ranch Open Space, and home of oak woodlands, grasslands, and coastal sage scrub.  View evidence of…

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 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 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…