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)
Federal Heights · CO, USA
Driving west bound until I saw a glowing sphere staying stationary over the west than fading out.
Littleton · CO, USA
Blue Light Ball Thing followed by fire or spark streaks, west of Highlands Ranch, Colorado.
Cortez · CO, USA
Huge craft sighted at Hovenweep National Monument.
Sterling · CO, USA
Small, silent, glowing probe above house
Aguilar · CO, USA
two metallic boxes connected by a cylinder witnessed near Aguilar, Colorado
Boulder · CO, USA
Convoy of crafts came from the ground one at a time, looked like airplanes at nightfall.
Denver · CO, USA
White object looked like upside down Y left strange trail no sound and seemed to come out of the mountains west of Denver
Superior · CO, USA
While traveling South on McCaslin Blvd. my son and I observed a shiny object in the sky at about 30 degrees above the horizon. It seem
McClave · CO, USA
Unusual orange-gold light in southern sky
Grand Junction · CO, USA
1 BLUE/GREEN FIREBALL WITH A TAIL FELL STRAITHT DOWN TO THE RIGHT A LITTLE BIT. IT WAS IN THE DUE EAST SKY IN FORNT OF THE GRAND MESA(
Denver · CO, USA
Bright aqua green flashing roundish ball with orange sparkles coming out the back in a triangular shape, may have had a red dot near th
Colorado · CO, USA
I was on my way to work and as I approached my vechicle I looked up and noticed two lights on a cloud(partly cloudy that night). At fi
Lamar/Las Animas · CO, USA
four lights in a row, same thing see a few days previously
Longmont · CO, USA
Many small lights, boomerang formation, going due south. Saw same 3 weeks ago.
Las Animas · CO, USA
noticed 2, one folllowing the other, meteors, space junk... coming from the north of Las Animas going south. The first blew up, the sec
Lakewood · CO, USA
i was driving home with my sister and in the north there was a brightly colored, and changing colors disk-type thing hovering over the
Howard · CO, USA
Some witnesses thought it was "CHRIST'S SECOND COMING" as the light was so profound
Elisabeth · CO, USA
White light moves and disapers
Denver · CO, USA
I was driving home down 13th street, I saw a object hovering over 13th street very low, at first I could not tell how low as I was appr
Denver · CO, USA
strange phenomenon after sighting
Pueblo/Colorado Springs (between · I-25), CO, USA
"V" shaped luminous streak with smoke trail
Canon City · CO, USA
Observed one bright light initially changing colors from violet to red and changing size from slightly smaller than Venus to nearly moo
Denver · CO, USA
Something(s) rising behind me as I was driving home from work.
Boulder · CO, USA
Three black objects flying in close, diamond shaped formation.
Lafayette · CO, USA
First sighting @23:03 while watching meteor shower. Saw VERY large boomerang shape object crossing sky at satellite speed. Again at 0:3