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)
Loveland · CO, USA
triangle, lights, front range, co, summer 05
Littleton · CO, USA
Beautiful blue light flashes by me.
Loveland · CO, USA
Lights to the west over the mountains
Englewood · CO, USA
1 object turned into 4 objects and hovered below a storm cloud for approx one minute and disappeared back into the thunderstorm.
Grand Junction · CO, USA
2005 sighting of large, round, dark ship in Grand Junction. Looks exactly like Phoenix lights.
Denver · CO, USA
3 Saucer Shaped Light Metallic Craft observed flying below a United Airlines Flight out of Denver.
Denver · CO, USA
this thing caught my eye and i was stunned to see this object in the sky ,the way it moved told me it was not an airplane!!!!!!!!!
Palmer Lake · CO, USA
white silver disk moving fast instantly reversed direction and sped off
Grand Junction · CO, USA
Bright White Circled Craft passes over Grand Junction.
Colorado Springs · CO, USA
colorado springs, colorado saw a object at night 3 multi-colored lights
Fort Collins · CO, USA
3 discs in V formation rotating in sun, and changing formation of foothills of Fort Collins Co.,
Glenwood Springs · CO, USA
WHO KNOWS WHAT THAT WAS? ((NUFORC Note: May not be a serious report. PD))
Parker · CO, USA
it was 10-20 feet above my house. ((NUFORC Note: May not be a serious report. PD))
Fort Collins · CO, USA
iT WAS LIKE HALF BALL HALF TRYANGLE AND WAS YELLOW AND SUDDENTLY DISAPPEARED.
Trinidad · CO, USA
Object over Trinidad
Denver · CO, USA
bright white ball of light about 10:00 position in sky NE to SE seen by bionoculars towards end last five seconds stars were going by
Johnstown · CO, USA
2 starlike objects travelling together N to S/SE
Woodland Park · CO, USA
Flash "Camera Type" in the sky 3 times in differnt spots. Woodland Park, Co
Denver · CO, USA
We saw a saucer shaped craft in the day time in a very populous area, hovering approx. 1000 feet in the air
Loveland · CO, USA
Triange object
Littleton · CO, USA
I saw a well defined triangular craft and started an absession with space because of it.
Idledale · CO, USA
Flashing light in western sky ((NUFORC Note: Sighting of Sirius. PD))
Grand Junction · CO, USA
silver elongated clam shaped craft over grand junction, colorado
Fort Collins · CO, USA
blinking light on the road for a few minutes then stopped. No lights on houses around.
Longmont · CO, USA
unknown object sighted and recorded by camera