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)
Brighton · CO, USA
Me and 2 other friends noticed 2 orange lights coming towards our direction. ((anonymous report))
Fort Collins · CO, USA
50-60 bright white circular lights, with 10-12 evenly spaced vertically on each of 5 evenly spaced "towers" (variable flashing
Greeley · CO, USA
White ball shaped object suspended in sky 250ft up. During daylight, not moving or tethered to anything.
Highlands Ranch · CO, USA
Light on my yard then took off at speed of light disappearing
Colorado City · CO, USA
Disappearing rockets. ((anonymous report))
Alamosa · CO, USA
I woke up with the feeling of being watched, I sat up and searched my apartment but no one was there, I then lost almost an hour of tim
Alamosa · CO, USA
I was awoken at 4:44 am on 1/5/18, I sat up in bed and had an overwhelming sense of being watched.
Milliken · CO, USA
All the sudden, I see 3 spheres of of light hovering very close to what seems to be the town of Milliken Co.. ((anonymous report))
Longmont · CO, USA
Saw a weird light move quickly and oddly.
Loveland · CO, USA
Multiple colored lights west of Loveland.
Coal Creek · CO, USA
Unexplainable Large yellow glows of light appearing in 3's several times in 15 minutes time
Fort Collins · CO, USA
Color changing light. ((NUFORC Note: Possible 2-hour sighting of Sirius?? PD))
Loveland · CO, USA
I look east. There are 3 vertical stars, that I use to see the craft. ((NUFORC Note: Possible sighting of stars?? PD))
Oak Creek · CO, USA
Flash of bright white light for 3 seconds,then light went to red,hovered for 4 minutes flashing red white. Took off fast till disappear
Evans · CO, USA
East of Evans, Colorado, lights hovering towards Fort Morgan.
Centennial · CO, USA
A lighted object seen hovering over a small airport in SE DENVER, CO, area. ((anonymous report))
Woodland Park · CO, USA
5 objects were in a 4 corner form with one in the middle came from east and disappeared to the west no sound around 20k ft
Golden · CO, USA
Blue/white Orb spotted on Lookout Mountain
Lakewood · CO, USA
A light flew in multiple directions, hovered for a couple seconds, and sped off .
Arvada · CO, USA
I was standing outside facing W from approx. 64th and llamar. I like to star gaze. Out of seemingly nowhere.
Denver · CO, USA
My family and I first saw a circular formation of strobing red lights. We decided to stop and look and the formation changed. They star
Castle Rock · CO, USA
In line formation red lights moving slowly over central Colorado.
Denver · CO, USA
Red and white blinking lights in a downward line formation. Traveled from east to west maybe 25 miles then disappeared.
Aurora · CO, USA
20 red flashing lights in a rectangular formation, 60 degrees diagonal orientation in the sky, slowly moving & descending
Denver · CO, USA
Denver: String of lights, in formation, no sound. ((anonymous report))