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.

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 in designated areas only. The park depends on visitors to protect all wildlife, vegetation, features, and improvements. No domestic animals permitted inside building(s). Dogs...

The park site along Santiago Creek which is the main tributary of the Santa Ana River in Orange County. The creek was named by the expedition of Gaspar de Portola in 1769 in honor of St. James (San Iago). Santiago Creek has long been of economic value to the county...

Consumption of intoxicants prohibited. Park only in designated areas. Vehicle operations restricted to designated roads. Fires are permitted only in fireplaces and approved camp stoves. Fire prevention must be the first concern of every visitor. No Hunting allowed. Dogs must be restrained by a leash at all times (6 foot...

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