Come along with us on this morning hike through 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 well…

Do you want to explore the Sinks, a geological rock formation that has got its reputation as “Orange County’s miniature Grand Canyon”? Come out and join us on a hike from the Portola staging area to…

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

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. On a clear day this ride…

Curious to learn about the plants among us, who’s sus and who’s not? For Wildfire Awareness Month spend the morning learning about fire dependency, resiliency, and management where we’ll look at…

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. Climb challenging State Spur to Cathedral…

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…

Limestone Canyon is a treasure waiting to be discovered. Join us for an afternoon, moderately paced, 5.5-mile fitness hike. The hike may include a few short rest stops along the way and will be a…

Come join us at Gypsum Canyon Wilderness, part of OC Parks’ Irvine Ranch Open Space for a slow-paced hike that offers an approachable experience for all skill levels to embrace their senses to…

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…