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)
Fort Collins · CO, USA
The brightest, largest light we have ever seen was moving near the ground from East to West at the speed of a jet, flashing every half
Golden · CO, USA
Several lights in a V formation flew over head at a steady but slow pace, from N to S. ((anonymous report))
Lakewood · CO, USA
These 3 bright objects appeared and started moving higher up in the sky. ((NUFORC Note: Possibly twinkling stars? PD))
Longmont · CO, USA
Big, rectangular, flying object that changed direction.
Fort Collins · CO, USA
Was watching the meteor shower from a field at the end of the road. ~ 4AM an object flew overhead which had 5 lights in a V formation.
Denver · CO, USA
I walked out to my backyard and saw a very bright light that looked like a star but i noticed it was moving slow. Before my eyes the cr
Boulder · CO, USA
Light traveling beneath the clouds without marker lights of regular aircraft. Light looked like like it was traveling in our dorection
Northglenn · CO, USA
V-formation of 8-9 crafts, flying north to south, in Northglenn, CO.
Erie · CO, USA
4 triangular shaped craft in formation, no lights, no noise.
Montrose · CO, USA
One large orange ball crossed the sky above the horizon at apporximately 8:15 on 8-22-16 in Montrose, CO.
Mosca · CO, USA
In Pinon Flats in Great Sand Dunes. My friend and I were taking photos of the night sky. ((NUFORC Note: Insect in flight? PD))
Thornton · CO, USA
Shape changing square/diamond UFO with circle lights that changed color. Flying very low.
New Castle · CO, USA
3 of us seen a white light heading Twards the mountain bobbing back and forth almost like it was confuse before it just disappeared.
Boulder · CO, USA
White dot over Boulder, CO.
Greeley · CO, USA
Floating bright orb flashes then disappeared completely.
Brighton · CO, USA
Myself my girlfriend and two other friends witnessed a bright Amber orb. ((anonymous report))
Durango · CO, USA
While on vacation over the 4th of July weekend, I witnessed a UFO in the sky directly east of the Tamarron Resort near Durango, Colorad
Aurora · CO, USA
Very slow flying diamond object over our neighborhood july 3, 2016 at approx 9:00pm. ((anonymous report))
Castle Rock · CO, USA
3 red/amber orbs observed travelling seperatley about 1 minute apart with a Denver heading
Parker · CO, USA
One golden orb moving aprx speed of a plane but a non blinking golden glow. Followed by 3 orbs same size in a triangular formation. Ano
Lakewood · CO, USA
Circular gold craft with pulsating orange and red light dead center.
Fort Collins · CO, USA
Green light in sky with strange flight patterns.
Fort Collins · CO, USA
Orange color. Went straight up and stopped.i got ten seconds video on my phone then went to the telescope to look at it. Daughter in
Colorado Springs · CO, USA
Green flashes seen above Colorado Springs.
Parker · CO, USA
2 Orange globes, smooth steady speed. 2nd group of 5 objects,sighting more changes in formation. But seemed to hover at times