Twilight Fitness Hike in Limestone Canyon
Limestone Canyon is a treasure waiting to be discovered. Join us for an afternoon, fast paced, 5.5-mile fitness hike with 750 ft of elevation. The hike will be a great introduction to fitness, cardio…
Ultra Distance Hike Red Rock to Red Rock
The Irvine Ranch Open Space Long Distance series is designed for experienced hikers who thrive on long days, big climbs, and the satisfaction of pushing physical and mental limits. This hike covers…
Mountain Bike Ride at Fremont and Weir Canyons to Sierra Peak
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…
Slowpaced Mountain Bike Ride Limestone CanyonEast Sinks
Enjoy the relaxation of riding in the wilderness on empty trails. Join us on this docent-led mountain bike ride through Limestone Canyon, part of OCParks’ Irvine Ranch Open Space. We will visit the…
Chilly Birds of Winter in Gypsum Canyon Bird Walk
Birds are among the most colorful and entertaining forms of wildlife on the Irvine Ranch Natural Landmarks. Bring your binoculars and join us on a slow/medium paced walk in OC Parks’ Gypsum Canyon…
Single Tracks of Baker Canyon
Enjoy riding in the wilderness on empty trails? Then join us on a docent-led mountain bike ride that loops through Baker Canyon. The route features expansive views of Silverado and Santiago Canyons,…
Sunday Fitness Hike at Hicks Haul
Join us Sunday morning in OC Parks’ Irvine Ranch Open Space for a fitness-focused hike on the Hicks Haul Road, West Loma and Shoestring trails in Limestone Canyon. Hikers will enjoy wonderful views…
Media Alert OC Public Libraries Presents Black History Month 2026
ORANGE COUNTY, Calif. (February 3, 2026) – OC Public Libraries is proud to honor Black History Month this February with a special author event featuring Jason Reynolds in conversation with Nic…
Thursday Morning Trek in the Red Rock Wilderness
Take in stunning views of the surrounding hillsides and hike atop the iconic red rocks at the newly opened Red Rock Wilderness, part of OC Parks’ Irvine Ranch Open Space.This morning hike will guide…
Second Installment Property Last Timely Payment Date
The last day to pay the second installment of secured property taxes is April 10. Late payments will incur a penalty and a collection fee unless they are postmarked by April 10 or received in our…