OC PARKS TRAIL INFORMATION Layout/ Driving # of Size Map Trails (acres) Park Name ALERTS MAP DRIVE 27+ 4500 Aliso and Wood Canyons Wilderness Park MAP DRIVE n/a 3 Carbon Canyon Regional Park MAP DRIVE 20+ 8000 Ronald W. Caspers Wilderness Park MAP DRIVE n/a 105 Ralph B. Clark Regional Park MAP DRIVE n/a 3 Ted Craig Regional Park None DRIVE n/a 63 Featherly Regional Park (Canyon RV Park) MAP DRIVE n/a 750 Irvine Lake MAP DRIVE 36+ 22500 Irvine Ranch Open Space MAP DRIVE 9+ 495 Irvine Regional Park MAP DRIVE 30+ 7000 Laguna Coast Wilderness Park MAP DRIVE n/a 227 Laguna Niguel Regional Park MAP DRIVE n/a 339 William R. Mason Regional Park MAP DRIVE n/a 607 Mile Square Regional Park MAP DRIVE 19+ 4500 O’Neill Regional Park MAP DRIVE 8+ 544 Thomas F. Riley Wilderness Park MAP DRIVE 12+ 340 Peters Canyon Regional Park MAP DRIVE 30+ 1269 Santiago Oaks Regional Park MAP DRIVE n/a 91.5 Talbert Regional Park MAP DRIVE 23+ 2500 Whiting Ranch Wilderness Park MAP DRIVE n/a 40 Tri-City Regional Park MAP DRIVE 1+ 1000 Upper Newport Bay Nature Preserve None DRIVE n/a 30 Harriett M. Wieder Regional Park MAP DRIVE n/a 140 Yorba Regional Park MAP n/a n/a n/a Regional Trails MAP n/a n/a n/a Irvine Ranch Landmarks MAP DRIVE n/a n/a Quail Hill MAP DRIVE n/a n/a San Clemente Single Tracks (Weed Patch) MAP DRIVE n/a 223 Chino Hills State Park
