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)
Denver · CO, USA
These objects, which looked liked stars, stood stationary, yet moved. They moved quite slowly. But there were two. Near DIA.
Denver · CO, USA
Large silent silver spheres gliding across sky in formation.
Arvada · CO, USA
A triangular shaped object this a white light at each vertex and a red light in the center.
Grand Junction · CO, USA
Very bright crisp star like object seen in eastern aspect of sky over grand mesa. object changed colors from red to green to blue. Co
Falcon · CO, USA
Sighting near Colorado Springs. Black triangles above the road.
Denver · CO, USA
Three amber lights in Lakewood, Colorado
Golden/Boulder · CO, USA
Black ball in sky totally motionless no string
Snowmass VIllage · CO, USA
Reddish, round object in Southeast sky in Snowmass Village, CO
Grand Junction · CO, USA
SEEN CLEARLY FOR 2 MINUTES GLIDING WITHOUT SOUND FLASHING LIGHTS
Palmer Lake · CO, USA
Triangle shape moves across sky north of the US Airforce Academy
Baca Grande · CO, USA
On my usual walk up the mountain heading and facing east, an object light appeared in front of me suddenly in the area above the Sangre
Denver · CO, USA
Silent V formation over Denver, CO. ((NUFORC Note: Report from law enforcement officer. PD))
Denver · CO, USA
Breen ball
Loveland · CO, USA
commit like objest shapped like a missle with a bright gold jet trail heading west.
Louisville · CO, USA
green glowing craft moving very fast across entire sky.
Loveland · CO, USA
Large triangle over loveland.
Fort Collins/Loveland · CO, USA
Me and two friends were looking into the sky over northern colorado at around 9:30 pm, not even an hour after i saw a large low flying
Colorado Springs · CO, USA
Triangle with Orange Lights Swooped Down Quickly then Disappeared.
Denver · CO, USA
Huge flying-V appeared to be high in the atmosphere.
Pine Grove · CO, USA
Bright Light moving low to the horizon from SW to NW viewed out of Pine Grove, Colorado
Denver · CO, USA
5 Orange balls of light in triagle formation followed by dim white light.
Colorado Springs · CO, USA
Firework type of formation hovering south of Pike's Peak
Aurora · CO, USA
hovering orange/yellow eliptical () with hazy lights over south denver metro
Centennial · CO, USA
I was outside on my back patio when I looked toward the eastern sky and saw a massively bright light rising in altitude. I asked my br
Rye · CO, USA
My husband, his friend and I were outside looking up in the sky on a night when there was supposed to be a satellite falling.