Carbon Canyon Regional Park
4442 Carbon Canyon Road
Brea, CA 92823

Ralph B. Clark Regional Park
8800 Rosecrans Ave.
Buena Park, CA 90621

Ted Craig Regional Park
3300 State College Blvd.
Fullerton, CA 92835

George Key Ranch Historic Park
625 W. Bastanchury Road
Placentia, CA 92870
*Limited park hours

Yorba Regional Park
7600 E. La Palma Ave.
Anaheim, CA 92807

Aliso and Wood Canyons Wilderness Park
28373 Alicia Parkway
Laguna Niguel, CA 92677

Ronald W. Caspers Wilderness Park
33401 Ortega Hwy.
San Juan Capistrano, CA 92675

Heritage Hill Historical Park
25151 Serrano Road
Lake Forest, CA 92630-2534

Laguna Niguel Regional Park
28241 La Paz Road
Laguna Niguel, CA 92677

Thomas F. Riley Wilderness Park
30952 Oso Parkway
Coto de Caza, CA 92679

Arden: Helena Modjeska Historic House and Gardens
29042 Modjeska Canyon Road
Silverado, CA 92676   
*Limited park hours

Irvine Regional Park
1 Irvine Park Rd.
Orange, CA 92869

O'Neill Regional Park
30892 Trabuco Canyon Road
Trabuco Canyon, CA 92678

Peters Canyon Regional Park
8548 E. Canyon View Ave.
Orange, CA 92869

Santiago Oaks Regional Park
2145 N. Windes Drive
Orange, CA 92869

Laguna Coast Wilderness Park 
18751 Laguna Canyon Road
Laguna Beach, CA 92651

William R. Mason Regional Park
18712 University Drive
Irvine, CA 92612-2601

Mile Square Regional Park
16801 Euclid St.
Fountain Valley, CA 92708
*The Nature Area is open daily from 7 a.m. to 3 p.m.

Old Orange County Courthouse 
211 W. Santa Ana Blvd.
Santa Ana, CA 92701
*OC Parks annual pass not valid at this location. Metered parking is available. 

Upper Newport Bay Nature Preserve
2301 University Drive
Newport Beach, CA 92660