Eastern Foothills of Orange County. Access through scheduled events only. Acres: 22,500 Printable Map Park Hours: Access only…

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…

Whiting Ranch Wilderness Park  Borrego Parking Lot 26701 Portola Parkway, Foothill Ranch, CA 92610  Glenn Ranch Road Parking Lot 27901 Glenn Ranch Rd., Trabuco Canyon, CA 92679 (…

  The County of Orange Paleontology and Archaeology (COPA) collection contains more than six million artifacts and fossils collected since the 1970s from within the County and throughout…

  PaleontologyThe paleontology collection includes local Orange County fossils dating as far back as the Jurassic period 180 million years ago, including notable type specimens. Orange…