- Angeles National Forest - Recreation and conservation area adjacent to metropolitan Los Angeles.
- Digital Desert: Angeles National Forest - Includes photography, trails and points of interest.
- LA County: Parks and Recreation - Includes descriptions and photographs of county-run facilities. Allows search using amenities, features and distance. Details on weddings, reservations and golf.
- Placerita Canyon Park and Nature Center - Natural area offering hiking, picnicking, bird-watching, animal shows, a nature center with a small museum and special programs for children and adults.
