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)
Boulder · CO, USA
Slow-moving, silver craft seen over Boulder, CO
Steamboat Springs · CO, USA
Orange orbs in northwestern Colorado/Steamboat Springs sky.
Frisco · CO, USA
Dark, aerodynamic shaped object near Frisco, CO.
Henderson · CO, USA
Myriad of UFO’s captured; all seem to have the same form, except for three triangular shaped craft, orbs otherwise.
Denver · CO, USA
Silent and Fast-Moving Orange Orb Over Denver
Fremont County · CO, USA
Fireball appears on Rocky Mountain ridgetop in May 2013.
Denver · CO, USA
Silver circle with black triangle ahead of storm.
Highlands Ranch · CO, USA
Floating high-altitude searchlight southeast of Denver, 5/16/2013
Colorado Springs · CO, USA
orb/fireball ufo seen white/yellow sparkling light silent
Pittsburg · CO, USA
I was opening my window, to let air in, and I noticed it in the sky, by the time I glanced a second time, it was GONE.
Canon City · CO, USA
A MYSTERIOUS, UNIQUE SIGHTING OF THREE ALIENS IN BROAD DAYLIGHT.
Golden · CO, USA
A bright light dropped out of the bucket of the Big Dipper. It went from the South to the North then disappeared.
Castle Rock · CO, USA
Bright orange light that changes speed then flickered out like a candle
Colorado Springs · CO, USA
Colorado Springs sighting of multiple UFO's.
Highlands Ranch · CO, USA
2 UFO's spotted. Triangle one got aggressive and shot at the white ball one until it left.
Colorado Springs · CO, USA
Colorado Springs UFO Sighting
Colorado Springs · CO, USA
UFO Lands in Colorado Spings! People were out and about! Nobody noticed!
Boulder · CO, USA
Rotating disc with blinking colored lights seen flying along ridge in north Boulder, followed by quickly moving lights on the ground.
Englewood · CO, USA
It's coming to the anevirisy of my sighting so I decided to get this report to you - National UFO Reporting Center - that I hear on Coa
Montrose · CO, USA
2 Glowing, super fast moving orbes in the western colorado sky on march 2nd 2013.
Montrose · CO, USA
Orange and red oval shaped lights seen by to in Western Colorado!!!!!
Pueblo · CO, USA
Yellow fireballs spotted in evenning sky west of Pueblo Co.
Limon · CO, USA
I was just off I-70 having just refueled my car, when I began down County Highway 24 South of Limon, Co. I immediately noticed two blue
Alamosa · CO, USA
We saw three (or possibly four) orange random glowing lights bigger than stars or airplanes at 8:14 PM, March seventh, 2013.
Henderson · CO, USA
UFO emitted very bright white light, and moved erratically as you can see by watching the video.