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…

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…

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

Spend your morning helping to water and weed within the new butterfly habitat islands in Limestone. With your help we will be able to maintain “islands” of host and nectar plants for butterflies in…

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…

Thinking the cardio hikes might be too fast for you? If so, join us in beautiful Weir Canyon for this slightly slower introduction to cardio hiking. Along the trail, you’ll pass through coastal sage…

Visitors to IRC’s Native Seed Farm are first greeted by our Demonstration Garden, providing inspiration for regionally suitable plant gardens. Our garden hosts a variety of native plant species which…

Enjoy nature with friends and family on the Mesa. We start our program by climbing a small hill at an easy pace to reach the top. Once up on the mesa, we will hike along a fairly flat trail as we…

Come join us for an interactive evening under the stars.  Immerse yourself in a scaled-down version of our solar system.  Test your imagination in naming the constellations.  Reenact…

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…