< Dark parks in CO
Dinosaur National Monument
Dinosaur National Monument is a recognized dark sky location in Colorado 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 class
Dinosaur National Monument is rated Bortle Class 1.
For more info, see their website. See also all dark sky places in CO.