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)
Denver · CO, USA
Cigar, no wings, tail, or lights moving from south to north.
Colorado Springs · CO, USA
It was fully dark and as I was sitting in my car in my work parking lot, I saw two lights high in the sky hovering above Colorado Sprin
Arvada/WheatRidge · CO, USA
Three 3 sec enormous oval shaped football field size flashes in sky w/intervals of 5sec That radiated out to entire sky which lit sky.
Fort Collins · CO, USA
Went to look at Lunar eclipse from hotel window & saw it. It appeared to be shaped like an upside down V, which was blue & had 2 red pr
Penrose · CO, USA
Driving east on hwy 50. A bright orange sphere appeared in the sky. Then two spheres came out of the first one evenly spaced and in a
Longmont · CO, USA
Flashing blue light hovered over FAA center in Longmont before zipping away. ((anonymous report))
Colorado Springs · CO, USA
Reddish orange flashing lights in a pattern. Rimmed the triangular, boomerang shape. Would hover in one spot. ((anonymous report))
Colorado Springs · CO, USA
Walking near CO Springs and took photos as it was a beautiful day. In one photo I saw a blue orb. ((NUFORC Note: Lens flare. PD))
Denver · CO, USA
Several massive fireballs appearing and reappearing in different #s, 2 to 4 to 3. No apparent formation or shape.
Denvee · CO, USA
4 lights in the sky making shape formations, triangle, square, line. then dissappear , reappear . Countinueing for 5+ mins
Fort Collins · CO, USA
Facing east, set of 8 bright lights flying in the shape of a boomerang or wing but going SW pointing out like an arrow, second from the
Gunnison · CO, USA
Red glowing sphere hovering just about skyline moving back and forth.
Walden · CO, USA
Driving down my long country road, and I saw a random white light just floating in the sky. Then it started to flash colors, red,
Greeley · CO, USA
Loud organ like sounds over hose at 3am less than one minute.
Denver · CO, USA
Clear objects with flashing lights over Carson Elementary school.
Pueblo · CO, USA
3 orbs (gold, green & white) seen over Southernmost Pueblo over several months & currently active Dec. 2018 - Present.
Littleton · CO, USA
Saw 3 sets of 3 lights in triangular format. One stationary, one moving slow, one moving fast. All at different levels. Appeared
Walsenburg · CO, USA
Facing the Sangre DeCristo mount range, in the Navajo housing community, which is under a disclosed Air Force testing and training zone
Aurora · CO, USA
The light that that caught my attention was the one that was flying the lowest, it was heading west flying up and down side to side, th
Federal Heights · CO, USA
One small 3 ft object, another 'M' shaped object with 10 ft wings flew close to ground with no lights or sound.
Jefferson · CO, USA
Watched dancing spheres for 15 minutes
Fort Collins · CO, USA
Two Bright Lights With No Stars in the Sky
Fort Collins · CO, USA
2 bright orbs in evening sky over Colorado (Labor Day)
Fort Collins · CO, USA
Two large, bright circular objects initially very close together moved in opposite directions and disappeared.
Loveland · CO, USA
Two shiny, medal ovals were stationary in the sky for about 30 minutes. I watched until the sun went down and was able to tell they wer