 
                    Flagstaff Mountain Lookout 1970
| Registry Numbers | US 2012, WA 494 (view other lookout sites in United States, Washington) | 
| Date Registered | April 16, 2020 | 
| Nominated by | Tammy McLeod | 
| Location | Stevens County, Washington | 
| Coordinates | N 48° 54.521' W 117° 52.139' (view using Google Maps) N 48° 54' 31" W 117° 52' 08" N 48.908678° W 117.868980° | 
| Elevation | 4,255 ft (1,297 m) | 
| Built | 1935 | 
| Removed | 2013 | 
| National Historic Lookout Register | US 325, WA 32 | 
| Administered by | Department of Natural Resources | 
A 40 foot tower with a L-4 cab was constructed on the site in 1935 and replaced with a 40 foot pole tower with a L-4 cab in 1952. In 1971 a 40 foot tower with a live-in DNR cab was constructed on the site. The tower was dismantled and the cab moved to the town of Northport in 2013.
 
                                Flagstaff Mountain Lookout (no date)
 
                                Flagstaff Mountain Lookout 6-15-2004