All fires are prohibited. Fire prevention must be the first concern of every visitor. The park depends on visitors to protect all wildlife, vegetation, features, and improvements.…

The lands which comprise Yorba Regional Park were once part of an expansive cattle ranch belonging to Bernardo Yorba. This Mexican period land grant totaled 13,328.5 acres on the north side of the…

Fees: No fees collected at this time. Harriett M. Wieder Park features a 4-acre developed park that includes restrooms, a 24-car parking lot, open turf area for picnicking, decomposed granite…

Aliso and Wood Canyons Wilderness Park makes a great outdoor classroom for students of all ages, featuring many interesting geological formations and archaeological and paleontological sites. Perhaps…

Newsletter published by the Orange County Historical Commission. Orange County Historical Site Plaques (210.9 KB) 2011 Historical Organizations Diretory OCHC.pdf (1.8 MB) Day at…

Born in 1801, Bernardo Yorba petitioned Mexican Governor Figueroa for 13,000 acres of land on the northern side of the banks of the Santa Ana River in 1834. He was granted the land and named it…

Consumption of intoxicants prohibited. Park only in designated areas. A speed limit of 10 MPH enforced at all times. Vehicle operations restricted to designated roads. Swimming or wading…

Heritage Hill Historical Park had its origins in the building of the Serrano Adobe in 1863 by Don Jose Serrano's family as the original land grantees of the Rancho Canada de los Alisos, granted to…

 Heritage Hill Historical Park's 4.1 acres includes four fully restored and furnished historic buildings that span the early history of the Saddleback Valley and El Toro area from the…

Consumption of intoxicants prohibited.Possession or use of firearms or weapons is prohibited.No Hunting allowed.Skateboarding is not permitted.A speed limit of 10 MPH enforced at all times.Dogs are…