Join us on this beautiful early morning hike...

OC Parks’ Fall-O-Ween at Heritage Hill Historical...

OC Parks’ Fall-O-Ween at Heritage Hill Historical...

OC Parks’ Fall-O-Ween at Heritage Hill Historical...

OC Parks’ Fall-O-Ween at Heritage Hill Historical...

OC Parks’ Fall-O-Ween at Heritage Hill Historical...

OC Parks’ Fall-O-Ween at Heritage Hill Historical...

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...

Project Update On September 24, 2019, the Board of Supervisors approved the General Development Plan (GDP) and Resource Management Plan (RMP) for Peters Canyon Regional Park. The GDP and RMP addresses current and future park programming needs, including parking, trail access, regional connectivity, and long-term management plans for ecological and...