Orchard Hills Loop (Irvine Ranch) Location: Orchard Hills staging area, Irvine. From the north, take either the 5 or 405 Freeways to Culver Drive. Head
Mesa Loop Trail (Caspers Wilderness Park) Location: Caspers Wilderness Park in San Juan Capistrano. From I-5 in south Orange County, take the Ortega Highway (route
Shoestring/Sandtrap/Limestone Ridge Loop (Limestone Canyon Regional Park) Location: Silverado, in the foothills of the Santa Ana Mountains. From the 55 Freeway, take the Chapman Ave.
NOTE: As of August 2020, access to this trail has been reported closed. If you have any further information, feel free to add it in
Upper Hot Spring Canyon Location: Cleveland National Forest, Falcon Group Campground. From Orange County, take I-5 to Highway 74/Ortega Highway. Go northeast for 25.8 miles
Falls Canyon Falls (Orange County) Location: Trabuco Canyon, eastern Orange County. From I-5 in south Orange County, take El Toro Road northeast for 6 miles.