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)
Wheat Ridge · CO, USA
i was coming home, and i saw a bright light in the clouds. it was cylinder shapped with a pointed edge.then it dissipeared behind the c
Simla · CO, USA
went ouy looked up green ball of light decended like a metor then split and right object went off at 90 degrees.
Colorado Springs · CO, USA
small obj. size=bright star moving NNW to SSE altitude undetermined, but too low for satelite. Light began to dim then we assume it cl
Denver · CO, USA
Humming then a loud subsonic boom or explosion
Denver (downtown) · CO, USA
I looked out and noticed waht appeared to be 2 Teardrop shaped balloons linked by a tether to one another, Metallic, shiny. The motion
1-25 corridor (southbound · 65 miles north NM border), CO, USA
This event was seen my many-the objects were clear and distinct-and moved independent of each other-if left who all saw this overwhelme
Colorado Springs · CO, USA
Saw object hovering over Co Springs. Couldn't clearly make out the shape, but it had approx 10-12 lights, most white, a couple yellow a
Colorado Springs · CO, USA
Saw a row of lights for about two seconds,they disappeared for about a second then the row of lights came on one after the other from r
Castle Rock · CO, USA
I was driving in my car when two triangle shaped crafts (lights were seen) hovering over the Castle Rock area, they seemed to be landin
Broomfield · CO, USA
We were driving home from a coffee shop in Broomfield and we thought we heard a police siren so we pulled over but we didn't see any em
Frisco · CO, USA
lights act like a star then zoom!
Colorado Springs · CO, USA
Two people witnessed an extremely bright "star" flash on and fade out in the night sky for approximately 3 to 4 minutes. The "star" m
Colorado Springs · CO, USA
Seven narrow cylinders with tapered ends, flew in silent formation, from the south,due north. They appeared to have no single light. Th
Eagle County · CO, USA
I have seen 5 greenish/blue fireballs in the course of a 2 week period, above and around the Eagle County area of Colorado.
Oak Creek · CO, USA
I was driving to catch a flight at Denver International and had at least a three hour drive. I was driving down County Road 14 to Stat
Gunnison (30 Miles NE of) · CO, USA
Daylight sighting while ice fishing on a lake in South Western Colorado.
Pueblo · CO, USA
Stationary for duration, 3 lights flashing red , green and white , SSE 150 deg. ; WSW 240 deg. ; WNW 300 deg. (APPROX.) Between 9:30 an
Aurora · CO, USA
I was siting on my porch when a bright light sped to the left then blinked brightly on the left and the right at the same time(possibly
Crestone · CO, USA
Large amber light at the top of the Sangre De Cristo range. About 10,000 feet up the mountain.
Colorado Springs · CO, USA
A slowly descending Blue-Green Fireball. First Appeared at apx. 52 deg. El. and went down to apx. 0 deg. Disappeared behind Condo's.
Colorado Springs (north of · on I-25), CO, USA
A friend and I witnessed a pulsating, intensely bright, fireball near I-25 between Colorado Springs and Castle Rock. The fireball broke
Lake City · CO, USA
An object the size and brightness of Venus appeared in southern sky for appoximately 30 seconds. It then gradually doubled and size a
Aurora · CO, USA
Object seen shooting across the sky at a very high rate of speed and the stopped and started blinking a white light. Object was moving
Lyons · CO, USA
strange humming noise over house late at night
Lyons · CO, USA
My wife was woke out of sleep by a light shining in her face – but this time with no noise. Also, later on, a small lamp in our room ca