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)
Aurora · CO, USA
3 triangle craft, 2 red and one yellow/amber
Golden · CO, USA
Flashing metallic objects not exhibiting typical flight charactaristics of any known aircraft I or anyone else there has ever seen.
Colorado Springs · CO, USA
I was driving to work on November 06 2008. I stopped for Sonic to eat before work. I live very close to the back side of the locale air
Arvada · CO, USA
Bright, stationary lights, began to move slowly the accelerated and vanished
Pagosa Springs · CO, USA
Bright light hovering over city.
Greeley · CO, USA
A streak of light went across the sky and then it suddenly got bright and took off into the sky and disapeared.
Castle Rock · CO, USA
Small White Light Around Sundown
Colorado Springs · CO, USA
What apeared to be a white dot in a clear blue sky, was acually a sagnificant size unknown aircraft reflecting the sun
Denver · CO, USA
Two twinkling, moving UFOs seen above the western horizon in Denver, CO.
Calhan · CO, USA
REPORT FROM CHUCK ZUKOWSKI, INVESTIGATOR: Friday night around 7:30pm, I saw a large white circular light heading West to East in
Pueblo · CO, USA
Lights in the sky.
Pueblo · CO, USA
In the northwest sky, there were about seven lights moving slowly and flashing in and out if an extremely strange fashion.
Grand Junction · CO, USA
UFO's seen over a mesa
Fort Collins · CO, USA
Object sited near Fort Collins, CO
Wellington · CO, USA
Lime green glowing oval shaped bright light seen over Wellington, CO
Lakewood · CO, USA
Green light moving towards south at high speed.
Westminster · CO, USA
Star like light that flew off into space then became no longer visible
Grand Junction · CO, USA
unknow over Grand Junction co
Denver · CO, USA
Three moving craft near Lowry.
Castle Rock · CO, USA
Star-like colored lights hovering very low, small plane had to sweve to miss it.
Clifton · CO, USA
I SAW A LARGE OBJECT WITH TWO LIGHTS MOVING AROUND IN THE SKY
Longmont · CO, USA
UFO might have been invisible to the naked eye but my digital camera got it!!!
Denver International Airport · CO, USA
Objects of light seen below clouds
Bennett · CO, USA
I was outside my house watching the star. It had been the first night for a while I could see them so clear. I was looking north over t
Louisville · CO, USA
I was at my friend's house playing in her back yard when I saw a strange metallic object painted red in most areas. The shape was un