Flagstaff Area National Monument
Flagstaff Area National Monument is a recognized dark sky location in Arizona for stargazing and astronomy activities.
It is designated by DarkSky International (IDS) as a Dark Sky Park, which is internationally recognized for preserving a dark sky experience.
Bortle
Flagstaff Area National Monument is rated BORTLE CLASS 2.
For more info, see their website. See also all dark sky places in AZ.