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
One rectangular object was in the sky with what appeared to be a small plane close to it. ((anonymous report))
Grand Junction · CO, USA
Strange high-pitched frequencies and a beam of electric light going downwards diagonally before quickly vanishing.
Englewood · CO, USA
At 7:45 PM on 11/29/16 in the sky heading north a light similar to a plane but slightly brighter and larger was directly in my line of
Colorado Springs · CO, USA
((HOAX?)) I saw a big triangle with 3 lights on each side, no light in the middle; similar to TR-3B, but w/o lights.((anonyous report))
Boulder · CO, USA
The sky was lit but the sun was down. You could see the perfect outline of a triangle, no lights on , perhaps 50-75ft from the ground.
Denver · CO, USA
5 orange lights flying in formation in the sky.
Boulder · CO, USA
Triangular craft spotted as it blotted out stars. Dim red/rust lights on each corner with diffuse blue/purple glow in middle. Silent.
Arvada · CO, USA
Arrow shaped object w/dim lights. ((anonymous report))
Morrison · CO, USA
Much unusual activity, starting with a helicopter, and ending with various ufos. Please read full story of what we saw.
Arvada · CO, USA
Metallic red then silver, chevron/boomerang shaped. ((anonymous report))
Lakewood · CO, USA
Lakewood, CO, UFO.
Colorado Springs · CO, USA
Bright white light triangular shape as if falling from sky
Lakewood · CO, USA
Silent, huge triangular black craft with 3 faint red lights in a line across the back and markings on the bottom.
Colorado Springs · CO, USA
My two brothers and I observed a white orb hovering over (which seemed about 100's of feet above) Pikes Peak. It was stationary.
Almont · CO, USA
Star-colored object flew over lighted porch, then shot off to the east of the Milky Way.
Alma · CO, USA
On Highway 9, right before you get into Alma going S. Bright light, fast, greenish. Only lasted a few seconds.
Colorado Springs · CO, USA
Four HUGE Lights Hovering Over Colorado Springs, CO Caught on Video
Fort Lupton · CO, USA
Single lights formed a V shape and flew quickly south.
Denver · CO, USA
So at approximately 9 pm on October 21st 2016, we were sitting outside in our front yard star gazing due to the metior showers when all
Denver · CO, USA
V-shaped craft with 4 red non flashing, dimmed huge lights flying over us while we were waiting to go inside.
Aurora · CO, USA
I saw a fast moving flash of light at first just a flash then added red light moving across the sky east to west while looking south.
Delta · CO, USA
Pulsating bright light trying to use Sirius as camouflage with green and blue orbs darting about. ((NUFORC Note: Sirius?? Anon. PD))
Erie · CO, USA
Star-like light traveling past the stars but much slower than a satellite
Westminster · CO, USA
Three lights in a triangle formation west towards Boulder. Took picture, went to get video recorder but all the lights were gone. These
Littleton · CO, USA
Giant Triangular UFO over Colorado Front Range 9-2-16