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)
Windsor · CO, USA
4 crafts appear with green spinning bottom and purple tops with red lights. Slowly appeared in sky moved to left then slowly glide stra
Pueblo · CO, USA
Two red ligths in vertical position with a green light protruding to the left. Very irregular motion. Fast unusual movements.
Broomfield · CO, USA
Odd.
Fountain · CO, USA
4 of us saw these. I have them on cell phone video posted on my FB page, I'd be happy to share.
Longmont · CO, USA
I saw a large orange object slowly moving over my apartment building.
Littleton · CO, USA
Object going slow then fast. Random directions then proceeded north. Circular egg shape.
Centennial · CO, USA
Red Spiral Drone Like Object with Red Lights.
Henderson · CO, USA
Blue orb. The blue orb came forward and stayed stationary for about 10 sec until descended down for about 5 seconds. The orb then proce
Aurora · CO, USA
Looking up I seen a bright object coming from the S/W towards the N/E.
Rocky Ford · CO, USA
I saw a rectangle object smooth corners with 4 round orange lights on its underside, no sound, smooth moving. ((anonymous report))
Colorado Springs · CO, USA
It was a horseshoe shape and brown flyinging above the mountains disappearing and then coming back
Estes Park · CO, USA
Estes Park, CO, green/red lights hovering in close formation.
Hasty · CO, USA
Oval craft hovering 4ft off ground. 8ft to the right was a "grey." ((anonymous report))
Broomfield · CO, USA
Formation of moving lights moving East to West across nearly the entire night sky.
Broomfield · CO, USA
Addendum to previous report: These lights were first observed at a point nearly due S of my observation point in the backyard.
Gunnison · CO, USA
Large round light came from above in one smooth 3-4 second movement,
Thornton · CO, USA
Black rectangle glided across the sky at 100 to 200 feet in elevation over a residential neighborhood in broad daylight.
Centennial · CO, USA
I saw one low flying craft with 3 dim red/orange lights. Triangular shape with 1 light on each corner.
Pueblo · CO, USA
Three fireball/lights hovering inside of Pueblo, CO.
Canon City · CO, USA
After a series of lightning storms, about twenty minutes after the clouds cleared we saw what appeared to be a very bright and then pul
Lyons · CO, USA
Strange crafts with strange sound moving slowly towards Denver, CO.
Greeley · CO, USA
All white circular light, red and green blinking lights- hovered, came closer, then zoomed over the house
Deer Trailer · CO, USA
2 sparkling streaks in Colorado.
Louisville · CO, USA
Wife and I saw a circle obj. that looked like a star moving NW. As it moved across the sky, it got really bright. ((anonymous report))
Walden · CO, USA
White dot/sphere seen by four campers mid-day.