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)
Leadville (near) · CO, USA
Witnessed an object facing west over Turquoise Lake an unknown distance away between the mountains. Skies were clear, stars easily see
Longmont · CO, USA
Tear drop shaped light descending over Longmont, Colorado August 21, 2012.
Erie/Longmont · CO, USA
Bright greenish light that lit up entire sky
Westminster · CO, USA
I saw a bright blue stationary object that turned bright green and silently zoomed off faster than my head can turn.
Denver · CO, USA
three bright objects at a stand still east of denver! one medium object at stand still! second object below the top one! but way more
Broomfield · CO, USA
Red/orange lights east of Broomfield seen during firework show
Fort Collins · CO, USA
Egg shaped object flying over head.
Littleton · CO, USA
Unknown light over Lookout Mountain.
Thornton · CO, USA
A dark circular object with red lights around it constantly rotating. ((anonymous report))
Aurora · CO, USA
UFO spotted in SE skies this past summer.
Aurora · CO, USA
Three green lights in the shape of a triangle moving FAST, sharp turns and dipping low in the sky at Quincy and Piccadilly!!!
Breckenridge · CO, USA
Colored light falls to Earth, then reverses course through sky
Durango · CO, USA
Amber lights flying about in night sky.
Colorado Springs · CO, USA
Bright orange balloon shaped object by cs airport
Boulder · CO, USA
4 bright lights observed for 3 hours above Boulder/Lafayette, CO with repeated movements as if surveying the land. ((Planets?? PD))
Lakewood · CO, USA
Fire Ember in the Sky That Changes Form and Does Tricks Like a Bird
Berthoud area · CO, USA
Two stationary lights, one orange and one blue, were seen emitting an orangish beam connecting them.
Littleton · CO, USA
Hovering bright white lights hovering over Chatfield Lake in southwest Colorado
Colorado Springs · CO, USA
Have on video.....VERY CLEAR Have original video if you want....contact through Utube http://www.youtube.com/watch?v=yXQnuCrJnXc
Westminster · CO, USA
Extremely fast moving, sharp turning object flying
Bailey · CO, USA
Bright white satellite light, stopping and swerving extremely organically for minutes.
Colorado Springs · CO, USA
Interesting lights and movement near the US Air Force Academy
Castle Rock · CO, USA
Red Hot Air Balloon looking UFO in Castle Rock, CO
Carr (west of) · CO, USA
Bright light over mountains of Colorado
Denver · CO, USA
At approximately 8:15pm mountain time on Wednesday 6/20/12 I saw an Unidentified Flying Object over Denver Colorado. There was a weat