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)
Divide · CO, USA
The object was the size of a basket ball. Cotten white in color. Came very very close.
Boulder · CO, USA
Saw 3 lights moving slowly over the foothills
Ignacio · CO, USA
Three triangular shapes with extended "legs" floating southwest over SW Colorado NW New Mexico mountains.
Colorado Springs · CO, USA
The object was about one hundred and fifty feet long, and fifty feet wide. It was greyish black in color, I think the object was about
Denver · CO, USA
Picture reveals UFO in the background
Lyons · CO, USA
Two High School Girls see silver disk move over town
Golden · CO, USA
Spot moving on the moons surface
Thornton · CO, USA
Round object flashing all colors giving a hypnotic state.
Colorado (unspecified) · CO, USA
a black shape in the sky while in colorado. was told it was a weather baloon.
Golden (I-70 E · by exit for), CO, USA
I70E Golden, CO exit. Lg bright object sped to ground. Maybe a minute later I saw a bright flash of light(it crashed?)
Alamosa (West of) · CO, USA
Bright silverish-white light 5 degrees above horizon with occasional red flashes, appeared 50 miles North-West of Alamosa
Fort Collins · CO, USA
My wife and I have had another sighting. Sunday night (6/21/97) at 11:15 PM we were in the back yard watching the sky. The first thing
Colorado Springs · CO, USA
Dark. Between Fontaine and Drennan Rd. A tall, brightly litobject descended in field near reservoir west of Powers Rd. Tieredwith mul
Commerce City · CO, USA
Large number of high altitude white spheres in sky over Commerce City, CO, in 1997
Colorado Springs · CO, USA
Triangular light formation in Colorado.
Buena Vista · CO, USA
White oval with gold light/energy over mountain in daylight
Nederland · CO, USA
Spring Solstice,Lunar eclipse, time of the comet,evening around open fire, gathering 20 adults.
Nederland · CO, USA
Group of Velebrators of Vernal Equinox are visited by dimmensional craft .Sunday evening, a group gathered to welcome in the spring whi
Lakewood · CO, USA
Hovering object...quiet crack...then vanished
Longmont · CO, USA
Mother & daughter see immense blue flash in sky. 2 min. later, saw shaft of blue light w/oblong cloud on top, illuminated on inside.
Salida · CO, USA
Aerospace engin. sees very bright, metallic-silver obj. streak across sky from NE to SW. Horiz. to hor., 2 sec.. Flames released.
Crestone · CO, USA
Four balls of light travelling in sky, also see possible related New Mexico report for 10/3/96.
Boulder · CO, USA
Glowing light in early night sky becomes two, then back to one, glows brightly then implodes over I-36 Boulder-Denver turnpike.
Fort Collins · CO, USA
Sighting of crescent moon shaped object at about cloud high, traveling from NNW to SSE in direction of Denver CO, at 9:30 PM. No sound.
Fort Collins · CO, USA
9/1/96 SIGHTINGAround 9:30 pm, Sunday, September 1st, 1996, my wife and I were in our backyard watching the sky. This had become our c