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
Flashing light, zig-zag pattern, quickly across the sky and back! ((anonymous report))
Walsenburg · CO, USA
3 small lights that made a formation, moved separately and disappeared. ((anonymous report))
Denver · CO, USA
I was doing a patrol of my buildings perimeter on 06/15/17 around 10:03AM. I always tend to look at the sky and today I was lucky enoug
Littleton · CO, USA
Approx. midnight. Facing west at the foothills. Something at the top, twinkling lights down middle that gave it the look of a cross..
Denver · CO, USA
Red light observed under a thundercloud, stationary for a few seconds, then went straight down and changed from red to white.
Eaton · CO, USA
Large disk with light blue lights underneath.
Grand Junction · CO, USA
Bright light or orb west of Grand Junction. ((anonymous report))
Colorado Springs · CO, USA
Sighting.
Arvada · CO, USA
Triangle formation to horizontal line.
Loveland · CO, USA
I seen 2 objects dancing high in the sky... they were spinning and moving in an odd way. ((anonymous report))
Lyons · CO, USA
Large, all green, circle landed at Heil Ranch in Lyons, CO.
Denver · CO, USA
They were triangles quick and never seen anything like it. ((anonymous report))
Denver · CO, USA
Huge rectangular dark object flying. Looked Like if somehow a semi truck was flying in the sky. ((anonymous report))
Limon · CO, USA
Greenish orb near the Sun. ((NUFORC Note: Lens flare. PD))
Breckenridge · CO, USA
((NUFORC Note: Witness provides no information; elects to remain totally anonymous. PD))
Evans · CO, USA
Looked up and saw three orbs dancing as they moved silently.
Ft. Collins · CO, USA
Craft emerged from lightening storm
Golden · CO, USA
there were two orange lights coming from over Lookout Mountain antennas. They made no sounds, they moved towards us then stopped then
Leadville · CO, USA
Silent, no lights, glowing gray, 8ft tall egg.
Fort Collins · CO, USA
((NUFORC Note: Witness does not provide details of sighting. PD))
Colorado Springs · CO, USA
2 UFO crafts circling above me then suddenly disappeared. ((anonymous report))
Colorado Springs · CO, USA
Moving halo connected by 2 white dots in morning sky at top of Pikes Peak from stationary camera.
Loveland · CO, USA
3 spheres were sighted forming a triangle. Then the spheres formed a line and vanished.
Falcon · CO, USA
White orb stopped in midair and changed direction.
Colorado (southeast part) · CO, USA
Witnessed "V" shape craft, intercepted and escorted by jet. ((NUFORC Note: Possible sighting of B2 bomber?? PD))