The history of the ranch began with James Irvine. He joined two others owning the property before becoming the sole owner of it in 1878. After his death in 1886, his son James Irvine II (J.I.) became the successor of his father’s ranch. The ranch grew significantly and transformed into...

It’s easy to think many of the birds we see and...

Ready for a workout? Forget the gym for the day...

Join us on a slow-paced hike along the back...

Spend the morning in a beautiful oak woodland...

Enjoy an evening hike through stunning rock...

Join us every Wednesday night in OC Parks’ Irvine...

This week in OC Parks’ Irvine Ranch Open Space, we...

Spend the morning hiking through an Oak woodland...

Join us at our beautiful Native Seed Farm for an...