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…

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…

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…

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…

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…

    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…

Camping Park Rules    Regional Park Rules         *More park rules available on individual park pages.  …

Consumption of intoxicants prohibited. Possession or use of firearms or weapons is prohibited. Park Subject to closure during rainy weather. Park only in designated areas. Smoking…

The OC Parks Commission meets the first Thursday of each month at the Mess Hall at Irvine Ranch Historic Park, 13042 Old Myford Road, Irvine, CA 92602 with periodic field trips to OC Parks facilities…