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 an evening mountain bike ride through Limestone Canyon, part of OC Parks’ Irvine Ranch Open Space. We will be starting during daylight and ending in the dark. This should not be your…

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 your morning nurturing Coast Live Oak seedlings within a beautiful oak woodland in OC Parks’ Baker Canyon. This activity will involve watering the planted oaks, weeding around them, and adding…

Have you ever come across a mysterious track on a trail and wondered what animal made it? Was it a mountain lion? A deer? A bobcat, gray fox, or even an opossum? Where was it going—and what was it…

Explore beautiful Limestone Canyon, part of OCParks’ Irvine Ranch Open Space, on this serene morning hike to Dripping Springs. Limestone Canyon Nature Preserve is one of the most pristine wilderness…

You will enjoy a gorgeous sunset with panoramic views of Orange County while hiking in OC Parks’ Irvine Ranch Open Space on the paved Hicks Haul Road. This hike travels 6 miles, out and back crossing…

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…

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…

Come enjoy and learn about the bounty of the local flora and fauna. We will talk about how the animals and early settlers of the area survived and thrived with what nature has to offer. We…