| Registry Numbers | US 592, CA 63 (view other lookouts in United States, California) |
| Date Registered | September 21, 2004 |
| Nominated by | Kathy Allison |
| Location |
Eldorado National Forest El Dorado County, California |
| Coordinates |
N 38° 44.640' W 120° 20.400' (view using Google Maps) N 38° 44' 38" W 120° 20' 24" N 38.744000° W 120.340000° |
| Elevation | 6,192 ft (1,887 m) |
| Built | 1936 |
| Administered by | U.S. Forest Service |
| Cooperators | Placerville Ranger District |
Overlooking the South Fork American River Canyon on the Eldorado National Forest, Alder Ridge Lookout was constructed by the CCC in 1936. It is a 60’ Aermotor tower with a 7’x7’ metal cab. In 2004 a Passport In Time project restoring the tower and ground residence was completed.