Spend the morning watering and mulching Coast Live Oak seedlings within a beautiful oak woodland and then hike to Dripping Springs, a natural water source dripping out of an earthquake fault and down…

Join OC Parks staff and volunteers for a slow paced, beginner friendly mountain bike ride through Limestone Canyon to The Sinks.  This trip is approximately 8 miles total, and 400 foot elevation…

Come out and enjoy the night sky with the OC Astronomers club.  Walk among the members with their telescopes pointed at any one of the wonders of the night sky.  Be it the rings around…

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…

Are you looking to add a slower paced hike to your fitness journey? Join us on this introduction to fitness hike along the Agua Chinon trail to the West Sinks at an average moving speed of 25 minutes…

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 fitness-focused hike on the paved Hicks Haul Road in the Irvine Open Space Preserve. During the spring, summer and fall, hikers will enjoy wonderful sunset views and a panoramic…

Come start your week with us on our Super Treks in the Landmarks. Join us as we hike to Limestone Canyon’s Sinks and beyond. We will start from the Creek Staging Area, climb up to Limestone Ridge,…

Come start your week with us on our Super Treks in the Landmarks. Join us as we hike to Limestone Canyon’s Sinks and beyond. We will start from the Creek Staging Area, climb up to Limestone Ridge,…

As the day starts to settle into the night in OCParks’ Irvine Ranch Open Space, bats awaken, stir and streak into the evening sky. Come hear fascinating tales of our flying mammals. We will head out…