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)
Trinadad · CO, USA
It was a redish orange ball of light going at a high speed.
Jefferson · CO, USA
Large, bright ball of light, bobbled a bit , then straight up and gone in a second or two.
Lakewood · CO, USA
Bright white light traveling across sky turns red then gone. ((NUFORC Note: Possible satellite?? PD))
La Salle · CO, USA
Glowing spherically shaped object possibly using lighting and sound to mimic conventional aircraft.
Grand Junction · CO, USA
Bright object crosses Colorado's Southern sky
Brighton · CO, USA
Bright white and orange light in western sky.
Grand Junction · CO, USA
Massive,silent triangular shape slowly moving over Grand Junction,Colorado at approximately 1:00am on 9-17-2010
Grand Junction · CO, USA
U.F.O. zips across sky at incredible rate of speed, HUGE and very high in the sky Western Colorado.
Fountain · CO, USA
Large Grey Metallic Object Over Cheyenne Mountain (NORAD) Area.
Canon City · CO, USA
cigar shape object reflecting the sun's light
Westminster · CO, USA
The usual flashing lights in the sky that don't really move but hover in one spot low in the atmosphere. ((NUFORC Note: Star? PD))
Colorado City · CO, USA
3 of us saw a bright white light triangle inside of a lighted rectangle directly overhead then it travelled directly south and disappea
Colorado Springs · CO, USA
Bright round flash flies over Colorado Springs for 3 seconds.
Craig · CO, USA
A Phtograph of an apparent disc shaped object.
Durango · CO, USA
On August 13, 2010 in Durango, CO. at approximately 10 PM my husband and I were out on our deck observing the Showers of Perseus when w
Strasburg · CO, USA
White circle high in the sky, Sat in one place for 5 minutes.
Wheat Ridge · CO, USA
A Brilliant White Light Like I have never seen before..
Montrose · CO, USA
((HOAX??)) Chasing UFO's
Montrose · CO, USA
round with changing colors, stayed in one place for an hour. ((NUFORC Note: Star or planet?? PD))
Denver · CO, USA
Slow flying black mass that eventually disappeared behind a cloud
Fort Collins · CO, USA
Strange orange flickering ball as big as the moon, bright like a street lamp, 1000 to 2000 ft away traveled NE in a steady pace.
Brighton · CO, USA
Very bright flashing in a pattern of red, white, green, but mostly bright light.Watching from patio due west and another north west
Glenwood Springs. · CO, USA
Never seen any flying object like that or new something like that exsisted
Colorado Springs · CO, USA
A Brightly Multi-Colored Object appeared in front of Pike Peak, north/west of NORAD in Colorado Springs.
Cortez Colorado · CO, USA
Red non blinking light traveling past two aircraft west to north east