UFO Sightings in Colorado
3,016 UFO sightings reported in Colorado since 1931, peaking in 2020 (226 reports); most often described as light.
- Total sightings
- 3,016
- Span
- 1931–2022
- Peak year
- 2020 (226 reports)
- Dominant shape
- Light
1931–2022 · peak 2020 (226 reports)
Top cities in Colorado
Denver
1954–2022 · peak 2014 (27 reports)
Colorado Springs
1956–2022 · peak 2014 (25 reports)
Fort Collins
1963–2021 · peak 2018 (14 reports)
Boulder
1969–2021 · peak 2013 (9 reports)
Aurora
1962–2021 · peak 2016 (10 reports)
Grand Junction
1989–2022 · peak 2020 (29 reports)
Longmont
1978–2021 · peak 2013 (10 reports)
Littleton
1965–2022 · peak 2002 (7 reports)
Pueblo
1995–2021 · peak 2020 (12 reports)
Lakewood
1969–2022 · peak 2014 (7 reports)
Loveland
1988–2022 · peak 2005 (6 reports)
Arvada
1959–2021 · peak 2016 (8 reports)
Westminster
1971–2021 · peak 2013 (5 reports)
Greeley
1998–2021 · peak 2016 (11 reports)
Thornton
1997–2021 · peak 2015 (5 reports)
Englewood
2001–2020 · peak 2004 (7 reports)
Estes Park
1954–2021 · peak 2019 (12 reports)
Highlands Ranch
1998–2022 · peak 2013 (4 reports)
Golden
1975–2020 · peak 2017 (4 reports)
Broomfield
1998–2020 · peak 2016 (5 reports)
Longmont · CO, USA
I live outside of Boulder, CO. I was just watching a documentary on Netflix about Denver International Airport.
Longmont · CO, USA
I live outside of Boulder, CO, I was just watching a documentary on Netflix about Denver International Airport.
Golden · CO, USA
Light formation in sky over Golden,CO 01/04/04
Vail · CO, USA
A fast moving red orange light flew in a straight line for about 3 or 4 seconds, then dissapeared
Dove Creek · CO, USA
there was a big bright light in the western sky
Lakewood · CO, USA
Small, circular objects floating in a chevron pattern (12 formations total) in a NNE direction over the Lakewood, CO area.
Englewood · CO, USA
Too bright to be a star, so I grabbed my Handicam and started shooting.
Greenwood Village · CO, USA
Object disappeared after changing color
Estes Park · CO, USA
Light beam and white round semitransparent objects of unknown origin
Farisita · CO, USA
Bright ball of light hovering, then 2 smaller ones darting around it
Pueblo · CO, USA
This object was definitely like nothing I have ever seen, and I observe the night sky nightly.
Florissant · CO, USA
I do not care what you do with this, there has to be an explanation.
Avon · CO, USA
Height of a helicopter, black, no noise, 5 lights from tip to each side end
Hesperus · CO, USA
large, low flying object with two lights flying east over Hesperus, Co.
Superior · CO, USA
Triangle shaped object with 4 different colored lights across Denver sky...
Northglenn · CO, USA
Three strange lights move slowly and interact with one another in the night sky.
Eagle · CO, USA
Shooting star was leaving our atmosphere instead of falling to earth
Boulder area (not sure: it was far away) · CO, USA
On the day I made this observation, there was not a single cloud to be seen in the entire sky - a typically beautiful Colorado day! As
Grand Junction · CO, USA
Very strange whirring noises - about 3 minutes apart
Rye · CO, USA
Circular Orange object
Loveland · CO, USA
Oval ufo speeding SE to NW
Colorado Springs · CO, USA
Backlit by the nearly eclipsed moon, my husband and I saw a dark, fuzzy boomeranged shaped object moving slowly.
Lyons · CO, USA
Color was yellow,red and it did not move in any direction,it just disappeared.
Colorado (on interstate) · CO, USA
Silent craft followed highway
Farisita · CO, USA
Like stars, but moving in different directions, then disappear.