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,…

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…

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…

PRE-REGISTRATION is REQUIRED for this event. All participants are required to have, a printed copy or on their phone, the confirmation email to show through the window of their vehicle to drive…

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 through Fremont and Weir Canyons to Sierra…

Take a leisurely ride on beautiful Hall Canyon and Helo trail in the Black Star Wilderness Area, home of oak woodlands, grasslands, and coastal sage scrub. View evidence of the old ranch days when…

This collaboration between OC Public Libraries and Irvine Ranch Conservancy is an exciting nature experience for the community to learn more about the natural environment surrounding Orange County.…

Join us for a strenuous, extremely challenging, fast-paced, early morning cardio hike in Fremont Canyon Nature Preserve, part of OC Parks’ Irvine Ranch Open Space. Our hike with start off at Fremont…

Join us for an evening/night mountain bike ride through Limestone Canyon Nature Preserve and Red Rock Wilderness, part of OCParks’ Irvine Ranch Open Space. We will ride approximately 12 miles, with…

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…