Embark on a leisurely beginner’s hike among the easy rolling hills of Red Rock Wilderness, nestled within OC Parks’ Irvine Ranch Open Space. Traverse the rugged terrain on former ranch roads,…

Spend the morning in a beautiful oak woodland planting Coast Live Oak seedlings and native plants in Weir Canyon. To get to the planting site we will travel for 15 minutes in a safari style truck…

Looking for a way to give back to nature this Spring? Come help us behind the scenes at the Irvine Ranch Conservancy’s one-of-a-kind Native Seed Farm! In this evening activity, attendees will learn…

Enjoy an evening hike through stunning rock formations and fragrant native plants as you listen to the sounds of nature. During this hike in the Irvine Ranch Open Space, you may travel at various…

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…

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 a strenuous, challenging, fast-paced, afternoon fitness hike starting in Limestone Canyon. Along the way we’ll be rewarded with panoramic views of Orange County and possible wildlife…

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…

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…

Come bring your horse and join us on the sage-scented trail up and down gentle hills. We will start from Irvine Park and proceed on the Irvine Regional Park Horseshoe Loop to Waterworks trail that…