The Irvine Ranch Open Space Long Distance series is designed for experienced hikers who thrive on long days, big climbs, and the satisfaction of pushing physical and mental limits. This hike covers…

Ready for a workout? Forget the gym for the day and head outside! Join us for an exhilarating morning fitness hike on the paved Hicks Haul Road in OC Parks’ Irvine Ranch Open Space. This hike allows…

Explore the beauty of OC Parks’ Irvine Ranch Open Space on a 3–4.5 mile guided hike through Gypsum Canyon Wilderness. We’ll begin along the Oven Canyon Trail, passing through mixed habitats, and then…

Come explore beautiful Gypsum Canyon Wilderness, the northernmost portion of OC Parks’ Irvine Ranch Open Space. This scenic hike involves steepish climbs and descents on several single-track trails…

Join us for an evening/night mountain bike ride through Limestone Canyon Nature Preserve and Red Rock Wilderness, part of OCParks’ Irvine Ranch Open Space. We will ride approximately 12 miles, with…

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…

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…

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…

Spend the morning in a beautiful oak woodland watering 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…

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…