Join us on this beautiful early morning hike passing through Irvine and Santiago Oaks Regional Parks and then crossing into Weir Canyon Nature Preserve, part of Irvine Ranch Open Space. Leaving…

The clocks fall back early Nov. 7, marking the end of daylight-saving time and the beginning of OC Parks’ fall-winter operating schedule. Most regional parks close at 6 p.m. for the fall and winter,…

OC Parks’ Fall-O-Ween at Heritage Hill Historical Park returns for its fifth year this fall! Tour the decorated historical grounds and take your picture at a variety of Halloween and fall-themed…

OC Parks’ Fall-O-Ween at Heritage Hill Historical Park returns for its fifth year this fall! Tour the decorated historical grounds and take your picture at a variety of Halloween and fall-themed…

OC Parks’ Fall-O-Ween at Heritage Hill Historical Park returns for its fifth year this fall! Tour the decorated historical grounds and take your picture at a variety of Halloween and fall-themed…

OC Parks’ Fall-O-Ween at Heritage Hill Historical Park returns for its fifth year this fall! Tour the decorated historical grounds and take your picture at a variety of Halloween and fall-themed…

OC Parks’ Fall-O-Ween at Heritage Hill Historical Park returns for its fifth year this fall! Tour the decorated historical grounds and take your picture at a variety of Halloween and fall-themed…

OC Parks’ Fall-O-Ween at Heritage Hill Historical Park returns for its fifth year this fall! Tour the decorated historical grounds and take your picture at a variety of Halloween and fall-themed…

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…

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…