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)
Colorado Springs · CO, USA
Bright solid light followed by helicopter
Parker · CO, USA
UFO's over Parker CO night sky, 30 lights moving in a row
Fruita · CO, USA
Fleet of UFO's witnessed in small town, Colorado
Littleton · CO, USA
Long string of a line of stellar type objects moving from SSW to NNE.
Littleton · CO, USA
ufo in a storm cloud
Salida · CO, USA
Super bright object in NW sky.
Lakewood · CO, USA
Me and a couple friends were at a park when I was looking up and saw 3 satellites or small silent craft moving at the same speed in a t
Estes Park · CO, USA
MADAR Node 156
Pueblo · CO, USA
MADAR Node 83
Littleton · CO, USA
The object looked onyx black and was floating / flying along the mountain range and then when towards the mountains. The object looked
Littleton · CO, USA
Ring camera video of flying object
Littleton · CO, USA
A fleet of lights that flew across sky. You could see them speed up to another and was unlike anything I have ever seen. At top of the
Hooper · CO, USA
Nothern Light-colored objects and star-like objects moving in sky near Great Sand Dunes Colorado
Lafayette · CO, USA
A brighly flashing multi-colored light in the night sky over Colorado viewed for a half hour. ((NUFORC Note: Sirius?? PD))
Estes Park · CO, USA
MADAR Node 156
Firestone · CO, USA
I witnessed a chevron-shaped object, silent and with seven lights cross my line of sight between 02:35am to 02:40am on Friday, April 23
Denver · CO, USA
Beautiful lights flying intimately over the southwest sky seen from Denver, 3/1/2021.
Longmont · CO, USA
Silent, large V shaped craft with circular lights on belly of wings faded like glow in the dark football brightness.
Canon City · CO, USA
A triangle of three soft green discs passed us parallel to highway 50 in the Colorado desert which made no sound.
Delta · CO, USA
A large bright light that traveled slowly, then hovered, seemed to get dimmer and brighter then appeared to fall down toward horizon. I
Denver · CO, USA
A white sphere hovered over Denver
Boulder · CO, USA
Shiny sphere, high altitude, moving steadily west before disappearing
Erie · CO, USA
MADAR Node 39
Colorado Springs · CO, USA
8 ufo in the sky - looked like balloons but no baskets-stationary for over an hour now-teardrop when you zoom in - sitting over the cen
Elizabeth · CO, USA
MADAR Node 34