Join us for a tour to the dramatic sandstone outcrops known as “Mini Moab”. We’ll hike out-and-back along the high ridges overlooking Fremont Canyon. Along the way we’ll pass an abandoned coal mine,…

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…

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…

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…

Leave the weekday chaos behind and dive into the peaceful beauty of Irvine Natural Landmarks with our energizing after-work cardio hike. Forget about the day’s worries as we trek through stunning…

Join OC Parks and OC Historical Commission for Summer Citrus Festival at George Key Ranch Historic Park! Tucked away in the city of Placentia, Key Ranch offers an authentic glimpse into Orange County…

Please note: Preregistration is required due to limited parking capacity.Start your weekend off by exploring the Agua Chinon wash and the Sinks through this self-guided opportunity. Designated trails…

This slower-paced interpretive hike in Limestone Canyon is 7 miles and includes some hills on the trek to Dripping Springs – a fern-covered rock face dripping with life-giving water creating an…

Nature journaling is a wonderful tool for nature observations, creating lasting memories, and making deeper connections with nature. Take time to observe the changing environment around you, noting…

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…