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)
Pierce · CO, USA
Dull grey spherical object with black helicopter and military vehicles in Peirce Colorado.
Pueblo · CO, USA
Straight red line connected by 6 evenly spaced lights.
Fort Collins · CO, USA
Object in sky turned lights on, while hovering in one spot. ((anonymous report))
Lone Tree · CO, USA
It started as two green lights...like dunno 20 miles away to the S. Just stationary...I watched it for like 5 min.((anonymous report))
Denver · CO, USA
A cluster of whitish balls with blue chevron wings over Denver Colorado
Gilcrest · CO, USA
Not a craft, two very small dark clouds spinning around, then suddenly vanishing.
Greeley · CO, USA
My friend came by my house last night, it was a clear night. Street lights were the only lights on at the time, ((anonymous report))
Lakewood · CO, USA
Chevron shaped slow moving with chevron lights and silent
Lakewood · CO, USA
V-shaped craft with 5-6 dim lights cruising silently over Lakewood, CO, in a southwest direction. 8pm.
Salida · CO, USA
Lights traveling across sky, disappear suddenly.
Pueblo · CO, USA
((NUFORC Note: No information provided by witness. PD))
Pueblo · CO, USA
Two objects, traveling south east at extremely slow speed. One paused for several munites than began moving in formation with the other
Gilcrest · CO, USA
Yellow object, looked like a plane without wings, flying low, made a squeaking sound.
Colorado Springs · CO, USA
We were viewing my videos because I couldnt understand what kind of motion was making all 4 cameras record and turn on minutes apart. S
Wheat Ridge · CO, USA
I was sitting near my patio door inside while playing a board game with my nephew. I notice there was a round circular obj moving.
Denver · CO, USA
Falling star became closer to the ground by the seconds and appeared in the shape of an upside down teardrop floating above my car.
Fort Collins · CO, USA
Fast moving red lights over Fort Collins, CO. ((anonymous report))
Fort Collins · CO, USA
blue and green flaming disk shaped object. ((anonymous report))
Denver · CO, USA
Pink flying object that disappeared into clouds
Fort Collins · CO, USA
2 white circular shapes. Stayed stationary for 15 minutes. Then glowed orange and faded away. ((anonymous report))
Broomfield · CO, USA
Two bright bluish-white Orbs spotted over Broomfield, CO on the night of 03SE17, heading S,
Aurora · CO, USA
Rainbow flashing Orb with Indigo Orbs flashing around the Main one. ((anonymous report))
Denver · CO, USA
My family and I were driving home from Denver Co. and the day was really hazy because of the fires going on which turn the sun red and
Aurora · CO, USA
Disk Shaped Golden light moving different directions in the sky.
Denver · CO, USA
Strange colored lights blinking and moving erratically in south Denver sky.