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)
Akron · CO, USA
The crew of an airliner at 34,000' witnesses a metallic sphere streak by their aircraft; reported to FAA ARTCC.
Brighton · CO, USA
A dim yellowish light no sound.
Berthoud · CO, USA
Circular shapes crafts with for Bright Lights
Longmont · CO, USA
3 bodies connected together, no noise, eggish shape flat on top & bottom, all 3.
Denver · CO, USA
Six objects changing formation for about 10 minutes above the Denver Metro Area, mid day.
Superior · CO, USA
20-30 "Lights" in a line traveling N along the Rocky Mtns at 00:41; seen through Night Vision goggles. ((NUFORC Note: Satellites. PD)
Denver · CO, USA
Erratically moving light fading inconsistently in and out above Denver.
Westcliffe · CO, USA
Custer County CO 10:15 20-30 "String of Pearls" like connected objects SWW to NNE.
Telluride · CO, USA
Multiple people saw a long line of amber lights appear. ((NUFORC Note: Satellites. PD))
Lakewood · CO, USA
I saw 3 lights traveling east as if they were satellites. ((NUFORC Note: Space Link satellites. PD))
Castle Rock · CO, USA
It started out as 3 bright dots lined up in the sky (which I assumed were stars) but then I noticed they were moving fast, then they se
Colorado Springs · CO, USA
One White Object Omitting Zero Noise Flying West To East Over Colorado Springs.
Grand Junction · CO, USA
White oval drops out of black storm clouds.
Aurora · CO, USA
Chevron shape objects at night.
Englewood · CO, USA
I saw a red light moving quietly and slowly across the sky, pausing for a few seconds and slowly moved on.
Littleton · CO, USA
Bright light seen tracking an airplane, joined by another light and then disappears.
Longmont · CO, USA
At first it lit the sky up like lightning but no sound then then an object with white light around it fell from the sky it left a sligh
Silverthorne · CO, USA
Bright green light appeared to fall from the sky in a slow arc and disappeared over a mountain to the west. ((anonymous report))
Monument (event observed over Cheyenne Mtn.) · CO, USA
Bright trail of light over Cheyenne Mountain.
Colorado Springs · CO, USA
Headed south on I-25 before Nevada/Corporate Ave, seen about 10 lights orangish in color show up suddenly then seen the back of the lig
Colorado Springs · CO, USA
Noticed an object hovering silently high above just northeast of Peterson AFB. Too far to identify shape. ((anonymous report))
Beulah · CO, USA
My guess Top Secret US Military craft perhaps connected to the Secret Space Program.
Durango · CO, USA
It was. All red , no blinking lights , it was glowing , it was very clear to see.
Monument · CO, USA
It appeared to be round, shiny as chrome and I only saw about 30 percent of the object.
Chatfield · CO, USA
Two different light blue fireballs appeared. One dove and maneuvered before disappearing, the other hovering before disappearing.