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)
Manitou Springs · CO, USA
we saw flasing colors on an oval shaped saucer going in and out of the trees
Avon · CO, USA
Two photographs Shot August 19th, 2008 of Saucer Shaped Craft at Beaver Lake in Avon, Colorado
Denver · CO, USA
Saucer shaped craft seen flying over downtown Denver from about 1-2 minutes.
Aurora · CO, USA
UFO seen in backyard
Platteville · CO, USA
For about 10 minutes, my father and I watched a solid dot move in a zig-zag pattern across the night sky moving to the Northeast.
Fort Collins · CO, USA
Triangle seen in telescope. ((NUFORC Note: Possible "twinkling" star, we suspect. PD))
Littleton · CO, USA
UFO seen in Littleton CO near airplane
Westminster · CO, USA
Three spherical shaped objects flying in a triangle position and slowly rotating.
Greenwood Village · CO, USA
I seen four white round objects
Longmont · CO, USA
It was on, or around 9pm last Sunday evening: a shot of sparks going from South to North.
Englewood · CO, USA
Pearl like object seen hovering over Englewood, Colorado
Pueblo · CO, USA
ON JUNE 21ST 2008 PUEBLO COLORADO ME MY WIFE AND 2 TEENAGE SONS WITNESSED A BRIGHT LIGHT AT APPROX 20:50.THE BRIGHT LIGHT WHICH COULD H
Loveland · CO, USA
saw orange lights moving in formation
Fort Collins · CO, USA
The strangest light I have ever seen, and the fastest accelleration I have ever seen.
Denver · CO, USA
Very fast disappearing light in nighttime sky
Monument · CO, USA
Brilliant shiny object passed over the house. ((NUFORC Note: Probably ISS. Please see table below. PD))
Parker · CO, USA
Flying Ball of Fire in Parker Colorado
Parker · CO, USA
A fireball swooped down over my friends and mines heads (50ft up) and ascended into the horizon opposite the one it came from.
Highlands Ranch · CO, USA
Silent orange/yellow/red fireball hovered then sped off
Hayden · CO, USA
Observered unmistakeable very bright metallic saucer/disc hovering and moving slightly
Thornton · CO, USA
I observed a silver disk directly above me in broad daylight in a highly populated area and it was watching me.
Pueblo (100mi SW of) · CO, USA
saw object move in a zig zag motion. with a bright white light that changed and dimmed. the object moved rapidly to the eastern horizon
Canon City · CO, USA
On my way home facing out toward the desert from the mountains, I saw 6 very bright white lights all turn on at one time. They stayed
Arvada · CO, USA
Two objects seen (daytime) over Arvada Colorado
Cuchara · CO, USA
Orange Light UFO while camping near Cuchara, Colorado