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…

*This program has been canceled due to trail closure.*Orange County may not experience the same seasons as the rest of the country, but signs are there if you know where to look!Join an OC Parks…

We love the nightlife! Explore the landscape of Peters Canyon Regional Park as we set out to search for the nighttime critters that call the park home. From humble toads to graceful owls, you never…

Explore the natural wonders of Peters Canyon Regional Park with OC Parks' new Jr. Ranger program! Participants will have the opportunity to earn a Jr. Ranger badge as we explore the various…

*This program has been canceled due to trail closure.*Celebrate 50 years of recreation at Santiago Oaks Regional Park by hiking through its history! Learn about the Windes family that called this…

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@…

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 trail conditions.Access is first come, first served until parking capacity is reached. No registration required.Come explore 6 miles of new trails…

This program is 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…