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)
Englewood · CO, USA
Starlike object seen again later in day
Englewood · CO, USA
Second day in a row, daytime star-like object(s) seen in Denver area
Arvada · CO, USA
On a hill and 5 or so people watching this circle ship hovered above us and then took off.
Longmont · CO, USA
Quick, high flying noiseless object
Cortez · CO, USA
Two objects appearing as plantets in photos from the moon etc., appear in place of a white cloud in the north west sky, well after suns
Eagle · CO, USA
One witness saw a bright flash south of the big dipper. Other two witnesses focused on the area and saw a second bright flash directly
Westminster · CO, USA
amber orb chevron fly -by over evening backyard party
Denver · CO, USA
Ufo's and Aliens , like so what.
Parker · CO, USA
Triangular Craft
Boulder · CO, USA
Object avoids jets contrail, stops and changes direction
Denver · CO, USA
Black Triangle sighting in Denver, 2004. VERY up close, very black. Traditional 3-pointed triangle.
Littleton · CO, USA
Saucer spotted flying over 4 witnesses
Fort Collins (Seen from) · CO, USA
"String of Pearls" White, cloud colored small ovals that stood still, linked up, and then 1 zoomed into space.
Denver · CO, USA
My husband and I observed an small bright red object flying over central Denver on a clear sky at dusk.
Denver Metro · CO, USA
Zippy light above Red Rocks Ampitheater
Lochbuie · CO, USA
Super fast white light flying horizontal for 20 sec. flash in mid-air then gone
Denver · CO, USA
Two disc-shape crafts over Denver, at dusk, resembling the recent Mexico UFO's, caught on a webcam snap
Littleton · CO, USA
What appeared to be 3 normal stars began to move in perfect formation, then faded from view. ((NUFORC Note: NOSS satellite. PD))
Westcliffe · CO, USA
Triangle shaped object with3 points of light moved from north to south and then faded away, no noise.
Denver · CO, USA
Triangular sighting in Central Denver, 10 May 2004, at 3:35 AM ((NUFORC Note: NOSS satellites. PD))
Boulder · CO, USA
5 glowing golden cigar shaped discs moving in formation
Westminster · CO, USA
The fireball shaped craft was flying in the sky at 23:00 hours and blinked various different colors.The ufo spun sparingly in approxeme
Denver · CO, USA
Bright light hovering for a long time
Montrose · CO, USA
Spotted a UFO while watching a helicopter at night persuing a criminal
Greeley · CO, USA
formation of 9-10