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)
Oak Creek · CO, USA
At 9:30 in the evening on a clear night,we saw five or six objects over the top of the mountain behind our house.The objects zipped
Fort Collins · CO, USA
Looking towards the north we saw an object with reddish and white lights. It was moving in right angles, then staight up and down very
Denver · CO, USA
I WAS WAITING FOR THE BUS AT 9TH AND GRAPE AFTER THE BOY SCOUT MEETING. I LOOKED AND THE CRAFT FLEW EAST TO WEST OVER THE PALMER SCHOOL
Fort Carson · CO, USA
red and green unidentified lights near an army ammo point
Aurora · CO, USA
A witness in Aurora, Colorado described a black triangular object with lights at each corner hovering silently overhead for about one minute in 1992.
Colorado Springs · CO, USA
Clear night, calm winds, object triangular, blue glow emanating all around, flying at250 to 500 feet north to south direction no noise
Colorado Springs · CO, USA
triangle craft. one moving glowing blue at 250ft. The other hovering off a busy street . same altitude.3 wht lights 1 red center
Virginia Dale · CO, USA
Four nocturnal lights, one winks out, deer appears.
Boulder (10 miles west) · CO, USA
Two glowing translucent spheres chasing and playing "tag" in the trees, one landed, one flew away.
Pagosa Springs · CO, USA
I am a 68 year old retired president of an international trade association.My nephew and I were driving on a remote hightway in the mo
Lakewood · CO, USA
First observed hovering above tree up close by my daughter age 11 & her friend 12. Daughter saw window of air craft felt staired at but
Steamboat Springs · CO, USA
Sporadic flashes of intense blue light
Carbondale · CO, USA
Playing baseball I looked in the sky and saw a huge silverish object and it was too big to tell a definate shape
Colorado Springs · CO, USA
Bright Flash directly overhead.
Colorado Springs (south of · on Hwy 115 near the co. line), CO, USA
The UFO I saw was stationary, brightly flaming on the bottom and dripping profusely toward the ground.
El Jebel · CO, USA
Briefly observed black, silent, slow-moving object low enough to reflect ground lights from bottom, convex surface.
Loveland · CO, USA
Cigar Shaped Lighted Object
None · CO, USA
A square doorway (bay door?) opened in the night sky, two craft came out, disappeared over the horizon and the doorway closed.
Denver · CO, USA
Light observed above Jefferson County, Colorado moves from over-head stationary position to beyond the East horizon in seconds.
Grand Junction · CO, USA
F.A.A. gives false report of UFO over Western Colorado
Aurora · CO, USA
Triangle consisting of 3 red lights. Shot straight up, then stayed in same position for 30 seconds, then finally descended diagonally u
Fort Collins (north of) · CO, USA
Stationary brilliant variable white light masquerades as planet Mercury.
Boulder · CO, USA
Three Stars Begin to Move Randomly, Stop, Change Direction, Move Again, And Then Vanish
Loveland · CO, USA
Boomerang craft, silent, no lights, walking speed
Denver · CO, USA
Brillant bright lights from the sky