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)
Boulder · CO, USA
Light flash
Conifer · CO, USA
Many lights on a hill moving around a bit. 500 Lights On Object0: Yes
Greenwood Village · CO, USA
UFO hoovers then speeds by
Golden · CO, USA
The metallic three pronged upside down teardrop object moved at a constant altitude and velocity Northwest in Golden, Colorado.
Colorado Springs · CO, USA
an ambiant spotlight type object that flew very fast for 5 seconds heading from North to South then vanished.
Boulder (Gun Barrel Subdivision) · CO, USA
The object made no noise, had no markings, and was not made in this world.
Buena Vista · CO, USA
UFO in Buena Vista, Colorado
Grand Junction · CO, USA
Four bright objects 11 am over Grand Junction flight path, unexplainable.
Milliken · CO, USA
Bright, Flying Lights Near Milliken, CO
Longmont · CO, USA
Daylight sighting of two small objects at altitude moving against the wind.
San Acacio · CO, USA
The lights where spaced in a perfect triangle
Fort Collins · CO, USA
LARGE DARK-GREY TRIANGULAR OBJECT W/ SINGLE WHITE STROBE seen south of Fort Collins
Milliken · CO, USA
Bright, Flashing Flying Light Near Milliken, CO
Littleton · CO, USA
Double oval-shaped cigar shaped craft seen at high altitude, air traffic diverted
Grand Junction · CO, USA
Unexplainable glowing craft moving oddly over the Grand Junction Airport
Greeley · CO, USA
Three yellow circular lights in the shape of a triangle.
Basalt · CO, USA
fast moving, zagging; bright lights and hovering at times.
Loveland · CO, USA
Seven round,bright orange lights seen, spaced evenly apart, moving in perfect unison without any sound.
Loveland · CO, USA
we saw 7 fireball type objects in formation, moving from the northwest to the southeast.
Loveland · CO, USA
eight bright red-orange lights in formation at night traveled from northwest to southeast over my house and disappeared instantly
Lakewood · CO, USA
The UFO was a glowing green orb. with jet or helicopter flying behind
Fort Collins (near) · CO, USA
Slow moving ellipse lit from beneath by the early-morning sun.
Pueblo · CO, USA
By Pueblo Blvd. and Highway 50 red light 80 ft. high gives off steam trail as it descends to 50 ft., then disappears.
Denver · CO, USA
I saw two silver dots in the western sky as the sun was setting both were locked into a single position in the sky and then they were g
Carbondale · CO, USA
Giant drill shaped craft crashed, viewed from Highway