SKY · LIGHT POLLUTION · USA
Dark-Sky Sites Near Denver
Front Range glow at Bortle 8; the mountains darken fast to the west. To actually see the Milky Way and faint stars, you'll want to reach a darker site — and there are real dark-sky destinations within range of Denver, listed below.
SKY DARKNESS · DENVER
Sky class (estimate)Bortle 8 · City sky
What you can seeThe sky glows; you can read a newspaper outside. Only the brightest stars, planets and the Moon.
Bortle class is an authored estimate for the city centre, on the standard Bortle dark-sky scale — not a measured figure.
Darker skies within reach
~1.5 HR DRIVE NORTH-WESTRocky Mountain National ParkHigh-altitude dark skies an hour or two up.
~3.5 HR DRIVE SOUTHGreat Sand Dunes National ParkIDA-certified, Bortle 2 desert-mountain skies.
Dark-sky designations from the International Dark-Sky Association and well-recognised dark regions. Distances are rough driving guides — always check access, opening hours and the weather before you go.
Plan tonight from Denver
More sky over Denver
SEE IT ON THE MAP
The live sky map shows the day/night line over Denver in real time.