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 (…

Project Summary OC Public Works, on behalf of OC Parks, will complete Restroom #2 replacement project within Tri-City Regional Park located in the City of Placentia. The Rolling Hills parking lot…

Celebrate summertime outdoors with 9 free concerts and 12 free movie screenings at OC Parks June 6 to August 29, 2025. (Orange County, Calif.) – The County of Orange and OC Parks are…

Project Summary OC Public Works, on behalf of OC Parks, will construct a new fishing platform within Tri-City Regional Park located in the City of Placentia. The Rolling Hills parking lot will not…

Office Hours: Monday - Friday 8 a.m. to 12 p.m. and 1 to 3:30 p.m.Parking fees: $3 per vehicle entry Monday - Friday; $5 Saturday - Sunday; Higher for some holidays and events (Fee Information)Please…

  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…

Irvine Regional Park is expecting an increase in visitation throughout March and April, especially on weekends. The park entrance may be impacted and the park could close to vehicle traffic if…