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)
Aurora · CO, USA
I was fishing on the South side of Cherry Creek State Park and there was very little illumination for lights, it was dark and excellent
Englewood · CO, USA
Very large triangle craft with flashing light sequence; periodic lights at 3 points revealed the object and size, discreet
Breckenridge · CO, USA
Disk with a portal. ((NUFORC Note: Anomalous objects in photo sent do not look to us as if either is a "portal." PD))
Estes Park · CO, USA
MADAR Node 152
Westminster · CO, USA
Noiseless rectangular object slowly moving.
Estes Park · CO, USA
MADAR Node 156
Deer trail · CO, USA
An opaque triangle light (almost like a flashlight from heaven) shining down from atmosphere with wide beam near denver area.
Thornton · CO, USA
My spouse and I noticed a round, very bright white orb hovering high in the sky just northeast of Thornton, CO. ((anonymous report))
Thornton · CO, USA
At first it looks like a very bright star in the sky but then it started flickering white and red lights. It stayed stationary in the s
Fort Collins · CO, USA
Bright luminescent flash moving through sky at high speed and disappearing.
Glenwood Springs · CO, USA
It was like a big star. That was floating by but it would explode every now and then in to like big ball of gas .I have it on video
Palisade · CO, USA
Low flying Globe of light crossing the sky from south to north no sound.
Englewood · CO, USA
Looking south I noticed a bright light moving very fast towards me to the north. As it got closer over head it also seemed like it drop
Monument/Larkspur (between) · CO, USA
Chevron between larkspur and castle rock
Montrose · CO, USA
Two white flashing lights this morning, over Montrose Co.
Hudson · CO, USA
Small cluster of white liights.
Estes Park · CO, USA
MADAR Node 152
Lochbuie · CO, USA
Bright lights of 6 in formation
Estes Park · CO, USA
MADAR Node 156
South Colorado Springs · CO, USA
I was in the passenger seat as my brother was driving North from Pueblo on I 25 entering south Colorado Springs I saw too my right in t
Arvada · CO, USA
Scarey stuff over colorado. ((anonymous report))
Leyner · CO, USA
There where 4 bright lights in a shape of a diamond, they where moving slow. After I took the video one of the lights went east and the
Denver · CO, USA
Unnatural moving circular Craft with green and red lights
Colorado Springs · CO, USA
Light descends from the sky and disappears
Glenwood Springs · CO, USA
Object flew across the sky and then darted back and forth before going straight up and disappearing.