Join us for a strenuous, extremely challenging, fast-paced, early morning cardio hike in Limestone Canyon, part of OC Parks’ Irvine Ranch Open Space. Along the way we’ll be rewarded with panoramic…

**Due to trail closures, this hike is being rerouted. It will not be the full 16 mile loop but an out and back to “Mini Moab”. The hike will be shortened to 14 miles with 2900 feet of elevation gain…

Join us on this moderate-paced hike over the ridge and the through beautiful Limestone Canyon Nature Preserve, part of OC Parks’ Irvine Ranch Open Space. We will enjoy short breaks at the East and…

Enjoy an afternoon family hike in Agua Chinon, part of OC Parks’ Irvine Ranch Open Space. We hike a gradual climb of 500 ft elevation as we watch for red-tailed hawks and mule deer.  This…

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…

The permit establishes guidelines to ensure public safety and code compliance for HOAs and individuals interested in installing holiday displays over public roads, sidewalks, parkways and public…

SUBJECTAdoption of proposed Ordinances, consisting of the "2025 Building Standards, Plumbing Code, Mechanical Code, Electrical Code, Energy Code, Green Code, Existing Building Code, Wildland-Urban…

Visitors to Irvine Ranch Conservancy’s Native Seed Farm are first greeted by the Demonstration Garden, filled with lush shrubs, bushes, and flowers. Our garden hosts a variety of native plant species…

Depending on the type of project, compliance with OC Waste & Recycling's Construction & Demolition (C&D) Program may be required by OC Public Works/Planning. Your project will not be…

 Open: Monday - Friday 7:30 a.m. - 11:45 a.m.                        …