OC Parks offers a variety of Short Term Volunteer opportunities that the public can participate in. These activities include single day special events as well as short-term project based work (i.e., trail restoration, facility maintenance, park clean-ups, etc.). Short Term Volunteer opportunities do not require specialized training. For individuals or...

A Film Permit A Permit for a Party A Job

Park Amenities: Restrooms

Research and Monitoring permits are required for those activities conducted on OC Parks facilities and open space lands. To assist you, refer to the accompanying instructions and guidelines. If you have questions regarding the type of permit to use, please contact (949) 585-6429. Business Hours: Monday - Friday 8 a.m...

Ralph B. Clark Regional Park has a rich history of fossils. Over 10,000 years ago this site contained marshes, grassy meadows and oak woodlands, inhabited by at least 70 forms of life including the ancient mammoth, ground sloth and ring-tailed cat. Paleontologists have discovered remains of prehistoric camel, whale, bison...

Riley Wilderness Park is as rich in local history as it is in native wildlife. The first Spanish presence occurred in 1769 when Captain Gaspar de Portola and his entourage of 63 soldiers and 2 priests made their way into the area in search of suitable mission sites along the...

Consumption of intoxicants prohibited. Park only in designated areas. All fires are prohibited. Fire prevention must be the first concern of every visitor. No pets. (horses exempt) Park Subject to closure during rainy weather. A speed limit of 10 MPH enforced at all times. No Hunting allowed. No feeding the...

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...

Smoking in designated areas only. Park only in designated areas. Swimming or wading in creek or lake is prohibited. (No watercraft allowed) A speed limit of 10 MPH enforced at all times. Fires are permitted only in fireplaces and approved camp stoves. Fire prevention must be the first concern of...

Camping Park Rules Regional Park Rules *More park rules available on individual park pages. Full list of Orange County Codified Ordinances regarding Parks, Beaches and Recreational Areas.