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
Two very bright sparkling objects seen while driving; one disapeared while the other one moved off slowly out of sight.
Kit Carson · CO, USA
3 yellow haze colored lights almost you could touch them......
Westminster · CO, USA
Light colored spot moving across sky
Colorado Springs · CO, USA
V shaped object spotted in night sky
Colorado Springs · CO, USA
Fast moving green dot proceeding from west to east and disappearing into black sky.
Aurora · CO, USA
0n Thursday the 29th of November 2007 between 12:34 to 12:37 pm. My friend and I were at 225 and I70 near Fitzsimons.
Colorado Springs · CO, USA
the second object appreared suddenly, then flickered out as the first object returned the way it had come.
Denver/Aurora · CO, USA
Stealthy object enters atmosphere, conducts surveillance of Denver and Arapahoe counties in Colorado
Sedalia · CO, USA
Two orange pulsing lights, seemingly connected, and hovering in sky
Loveland · CO, USA
Stationary white starburst light sighted over the Colorado eastern skies at 0515 until 0540.
Denver · CO, USA
Huge lighted cluster in the eastern sky. ((NUFORC Note: Sighting of Venus. PD))
Fleming · CO, USA
UFO SPOTTED, FLEMING COLORADO
Northglenn · CO, USA
Hovering triangular shape seen with flashing lights seen in Colorado
Colorado Springs · CO, USA
A invisible craft with a blue flame[s] behind it.
Aurora · CO, USA
Spherical metallic object seen in broad daylight above University Hospital.
Denver · CO, USA
Viewed a silent, grey, shape shifting ufo fly over the nearby Denver Pepsi Center at 9:36pm.
Littleton · CO, USA
Bright Orange streak in Littleton Colorado sky Oct 2007. ((NUFORC Note: Possible high-altitude contrail, perhaps. PD))
Colorado Springs · CO, USA
A saucer, flying only about 50 feet in the air, right above the middle of Colorado Springs. ((NUFORC Note: Student report. PD))
Crestone · CO, USA
Triangular lights spotted over Challenger Peak Area from Crestone, Colorado. ((NUFORC Note: Sighting of Venus?? PD))
Loveland · CO, USA
4 Synchronized Lights Flying above Loveland
Englewood · CO, USA
In the Englewood CO. sky was a stationary flat-black cylinder about 500-600 feet above the ground
Loveland · CO, USA
White triangular lights seen over Loveland Colorado
Aurora · CO, USA
Two flashing objects in night sky.
Colordo Springs · CO, USA
In flight over Colorado Springs I saw a very bright light surrounded by many smaller lights on 9/12/07 9:35am
Davis · CO, USA
seen green sphere cross sky in a sight ark left to right