< Dark parks in UT
Rainbow Bridge National Monument
Rainbow Bridge National Monument is a recognized dark sky location in Utah for stargazing and astronomy activities.
It is designated by DarkSky International (IDS) as a Dark Sky Sanctuary, which offer some of the darkest recognized skies.
Bortle class
Rainbow Bridge National Monument is rated Bortle Class 2.
For more info, see their website. See also all dark sky places in UT.