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)
Castle Rock · CO, USA
I saw three orb like objects appear above the roof of the first house on the street, to my right. They were diffused whitish-blue.
Fort Collins · CO, USA
Green lights in chevron form flying over Fort Collins, CO.
Littleton · CO, USA
Several glowing objects flying side-by-side at low altitude making no noise.
Northglenn · CO, USA
As I was walking to the bus stop, looking around and enjoying my morning walk, I looked up into the sky and noticed this...black uprigh
Delta · CO, USA
12/10/2016, Delta, CO, 7 orange/pink fireballs 6 to 7 minutes, seen by 2 people
Delta · CO, USA
Fast fireball going straight down near Delta, Colorado. ((anonymous report))
Fort Collins · CO, USA
Line of 3-4 red lights that hovered, then moved up and down twice before going black.
Berthoud · CO, USA
Large glowing disk in the sky moving slowly westward then suddenly disappeared. ((anonymous report))
La Veta · CO, USA
A light and a cloud moving at a high rate of speed.
Mead/Thornton (between; on I-25) · CO, USA
A blue beam of light shining down toward Earth from an aircraft about two or three miles in the sky above. The blue beam then widened.
Greeley · CO, USA
Huge strange lights over the western part of the sky.
Arvada · CO, USA
Extremely fast moving silent white orbs in formation over Arvada going SW turning SSW. 9:50 pm 12/31/16
Northglenn · CO, USA
3 FIREBALL/ORBS FLYING TOGETHER ON NEW YEARS.
Falcon · CO, USA
3 flashes 2 different times 3 minutes apart very bright.
Colorado Springs · CO, USA
My son and I saw a large yellowish triangle object passing through the night sky at an incredible speed toward Pikes Peak Mountain. It
Wheat Ridge · CO, USA
gf and me saw bright flashes of light while driving in the morning 0340. ((anonymous report))
Colorado Springs · CO, USA
Fast-moving light being chased by a helicopter.
Gilcrest · CO, USA
Heading SB on Hwy 85 going through Gilcrest. Single bright solid dot flies northeast to southeast. No trail but was really quick.
Greeley · CO, USA
Large spherical object descending towards the Rockies, chased by jets.
Longmont · CO, USA
11/14/2016 - 4-6 large white circles in two groups moving, disappearing and re-appearing and circling each other in the Eastern sky.
Avon · CO, USA
2 aircraft w white lights early morning.
Colorado Springs · CO, USA
S sky, my wife and I were on the porch and we saw one bright star, that was moving. It was twinkling. ((NUFORC Note: Sirius. PD))
Grand Junction · CO, USA
A large-seeming camouflaged saucer rotating on an axis
Longmont · CO, USA
My 9-year-old brother looked up into the sky because something caught his eye. Orange circle. ((anonymous report))
Bailey · CO, USA
I had stepped out on my tiny porch to view the stars as I often do. When I looked up in the northwest sky I saw a disk like saucer wit