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…

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…

Do you want to explore the Sinks, a geological rock formation that has got its reputation as “Orange County’s miniature Grand Canyon”? Come out and join us on a hike from the Portola staging area to…

If you enjoy riding in the wilderness on empty trails then join us on this mountain bike through Limestone Canyon and the Red Rock Wilderness Parks. This ride is for experienced off-road riders, in…

Evacuation Warning (Voluntary) remains in place for Long and Modjeska Canyons Santa Ana, Calif. (October 14, 2025) Effective Tuesday, October 14 at 10 am, an Evacuation Order (Mandatory)…

Santa Ana, Calif. (October 13, 2025) Effective Monday, October 13 at 7 pm, an Evacuation Warning (Voluntary) will be issued for areas in the Trabuco Creek, Hot Springs Canyon, Bell Canyon, Long…

 Pay at TaxBill.octreasurer.gov to Avoid Penalties“eCheck – Free; New lower credit card rate of 2.25%”Santa Ana, Calif. – Orange County Treasurer Shari L. Freidenrich announced that the…

Santa Ana, Calif. (October 14, 2025) - Effective Tuesday, October 14 at 5 pm all evacuation orders have been lifted for Trabuco Creek, Bell Canyon, Hot Springs Canyon, Long Canyon and…

Santa Ana, Calif. (March 13, 2025) - Effective Thursday, March 13 at 6 pm all evacuation orders have been lifted for Trabuco Canyon, Hot Springs Canyon, Bell Canyon, Long Canyon and…

FOR PLANNING PURPOSES ONLY: March 13, 2026CONTACT for Supervisor Janet Nguyen: Tori Richards (714) 834-5887                 for…