O'Neill Regional Park is a major regional park and greenway in northeast Orange County, California. It encompasses 4500acre of canyon and riparian zone habitat, and includes campgrounds and trails for hiking, biking and horseback riding.
Whiting Ranch Wilderness Park encompasses approximately 2,500 acres of riparian and oak woodland canyons, rolling grassland hills and steep slopes of coastal sage scrub and chaparral. The park is highlighted by scenic rock formations, including the beautiful Red Rock Canyon.