Secured Property Tax Bill - First Installment Due.

Last day to file Assessment Appeal or the next business day if the date falls on a weekend or holiday (for assessments dated January 1). 

Last day to pay first installment of Secured Property Tax bill before penalties are added or the next business day if the date falls on a weekend or holiday.  Last day to file a…

Access is first come, first served until parking capacity is reached. No registration required.Equestrians, while space is not guaranteed we encourage you to please email irvineranchopenspace@…

This program has been canceled due to wet and muddy conditions.Come explore OC Parks’ newest trails at Red Rock Wilderness through this self-guided opportunity.Located within OC Parks’ Irvine Ranch…

This program has been canceled due to wet and muddy conditions.Come explore OC Parks’ newest trails at Red Rock Wilderness through this self-guided opportunity.Located within OC Parks’ Irvine Ranch…

*This program begins at Canyon View Park, 22144 Canyon Vistas, Aliso Viejo, CA 92656*Explore Aliso and Wood Canyons Wilderness Park where you might see deer, bobcats and hawks. Learn about acorn…

Come enjoy a moderate 2.5-mile hike over easy but uneven terrain with approximately 150 feet of elevation gain. We will have interpretive stops along the way to learn about the unique environment of…

Visitors to IRC’s Native Seed Farm are first greeted by our Demonstration Garden, providing inspiration for regionally suitable plant gardens. Our garden hosts a variety of native plant species which…

Join us in beautiful Weir Canyon for this moderate paced cardio hike. Along the trail, you’ll pass through coastal sage scrub, grasslands, and oak woodlands where deer and bobcats are frequently…