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)
Aurora · CO, USA
An aircraft that is so close and no noise?
Littleton · CO, USA
Diamond shaped light above foothills near Rockies
Aurora · CO, USA
Apparent bright sundog, brilliant aqua green, yellow and pale orange
Centennial · CO, USA
Circular glowing object falls and the disappears.
Englewood · CO, USA
I was in the car looking at the sky at about 6:00 a.m. and I look over to see a gold light glowing across the sky for about two seconds
Yuma · CO, USA
At appro. 6:10 a.m.I noticed,in the eastern dawning sky,2 stars(1 moving).Object was very high in the sky as I probably was seeing sunl
Golden · CO, USA
MUFON/COLORADO REPORT: 9 obj's that appeared to be bright hovering lights, then lit up, dimmed, moved to the E and began blinking.
Paonia · CO, USA
orb pulsating changing colors and stationary for extended hours and vanished later. Second night.
Fort Collins · CO, USA
Circular lights ran pattern over and over in sky
Vail · CO, USA
MUFON COLORADO REPORT: Glowing disc seen below clouds.
Longmont · CO, USA
Three green spheres flew above us for nearly 45 minutes in Longmont, CO. ((NUFORC Note: Possible advertising lights?? PD))
Steamboat Springs · CO, USA
Slow moving craft made no sound, had incredibly bright lights that didn't illuminate the trees or ground. 500 Lights On Object0: Ye
Littleton · CO, USA
Bright white object in Littleton, CO
Thornton · CO, USA
Green light fell from sky
Colorado Springs · CO, USA
saw a white circle in the sky.
Denver · CO, USA
Cigar shaped object over the frontyard of my house flashed green and orange lights in my face.
Strasburg · CO, USA
Metallic oval or cylinder , daytime, visable for 15 min, splits into 3 objects,Strasburg Colorado
Boulder · CO, USA
Low flying, silent, muted white lights on a chevron shaped glider
Castle Rock · CO, USA
On Monday october 3, 2005, I spotted two spaceships in the sky. The first spotted ship was what seemed to be a bright star, when it st
Clifton · CO, USA
Four diffused indiscriminately-swirling lights followed me while I was driving; by the time I reached my house, there were only three
Eagle · CO, USA
MUFON COLORADO REPORT: Triangular craft seen in vicinity of Eagle County airport.
Littleton · CO, USA
10-14-05 Littleton, Co. 30 minutes 2 objects, one stationary, the second moving high rate of speed to the North-West
Denver · CO, USA
Strange light in the sky shoot off through the sky after several minutes of hovering.
Colorado Springs · CO, USA
Black triangle spotted in Pikes Peak region and slowly fades from sight.
Boulder · CO, USA
It was around 9pm and I was at just going out side for a cigg. break. And i looked up in the sky and seen a bright red and yellow light