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)
Denver · CO, USA
20+ lights seen individually, very rapid speed, abrupt direction changes, no sounds, multiple witnesses in Denver
Lakewood · CO, USA
Big red thing fallowing a van
Lakewood · CO, USA
October 30th 2001. 8:00 pm I had gotten home from work and just went to get gas. I was on my way back from the gas station when I notic
Lakewood · CO, USA
Excited about my daughters tenth birthday party at the Old Stone House Park in Lakewood Colorado, we had just opened presents when my d
Lakewood · CO, USA
circular craft, bright spokes of color, flickering, moved quickly with great changes in altitude, seemed to cause "flash lightning.
Vail · CO, USA
large triangular shaped craft with flashing yellow and blue lights hovering above my vacation home for several minutes. large
Colorado Springs · CO, USA
The most amazing thing we have ever seen.
Salida (near) · CO, USA
2 Silver Orbs passed under our C-130 Aircraft
Boulder · CO, USA
small light grows extemelt bright and then dissapears.
Arvada · CO, USA
HUGE Triangle UFO spotted over Denver
Del Norte · CO, USA
Fireball inbound for NORAD.
Vail · CO, USA
Sky illuminated with colours in Vail, CO, Friday, Aug 17, 2001.
Golden · CO, USA
Low flaming meteor with possible ground impact.
Denver · CO, USA
Two different color orbs playing chase over denver & shortly after military aircraft shows up.
Estes Park · CO, USA
while sitting in a hot tub on a condo deck after dark my guest and I wanted to see who could spot a satalite in the night sky first. My
Longmont · CO, USA
Cigar shaped craft with 5 or 6 red and white lights
La Veta · CO, USA
On the horizon, bobbing and weaving changing colors with tenacity.
Loveland · CO, USA
ofznge/red ring. Dark in the center. Low flying, and quiet.
Loveland · CO, USA
Slow moving and silent a bright red orange color that was one ring of lights with no lights in the center.
Steamboat Springs · CO, USA
no cloud cover in area of sighting, no noise accompanied or "trailers" visible.
Aurora · CO, USA
Orange fireball like seen in Aurora north of Buckley AFB at 0300.Duration of 10 minutes,Then dissappears.Recorded on camera!
Rifle · CO, USA
Green Fire Ball
Denver · CO, USA
Two solid ovoid objects with occasional light flashes drift like balloons overhead, but against the wind
Denver · CO, USA
A Very Descriptive, Multi-Ship, Broad Daylight Observation in Denver in 2001
Longmont · CO, USA
Cloaked Triangle shaped outlined with "stars".