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)
Delta · CO, USA
Saw a green and red glowing cross in the sky
Peyton · CO, USA
Helicopter following light, Peyton Colorado
Denver · CO, USA
Cracked windshields reported in at least 10 - 15 planes. Pilots reported no debris while in flight. Bad weather in midwest and in/near
Denver · CO, USA
Strange object behind a weatherman giving forecast.
Arvada · CO, USA
Large Cylinder shaped object, going very slow from North to South, below the moom
Longmont · CO, USA
On the way to work I noticed what looked alot like a band of meterites falling onto the earth but with the exception that they were fly
Aurora · CO, USA
2 balls of light "chasing" each other at high rate of speed
Denver · CO, USA
Oval object travelling west over Denver skyline flanked by two jets
Parker · CO, USA
Line Of light
Englewood · CO, USA
3 lighted triangle thing disappeared to the dark sky in seconds
Northglenn · CO, USA
It was apx. 5am Wednesday morning.I work graveyard shift out on the oil fields. My boss and three other employees get a ride to and fro
Littleton · CO, USA
Black oval / disk shaped craft banks around low white puffy cloud.
Denver · CO, USA
Circling White bursts of light traving northbound in Denver, CO December 16, 2006 (6:45 pm to 8:00 pm) ((Advertising lights???))
Morrison · CO, USA
Fuzzy black box hovering mid day on winter solstice at Red Rocks caught on video.
Denver · CO, USA
Colorado Southeastern sky. ((NUFORC Note: Possible sighting of the star, Sirius?? PD))
Thornton · CO, USA
Triangular Shaped Craft with a bright light on each tip
Durango · CO, USA
bright white light in night sky.
Fort Collins · CO, USA
Bright blue rectangle ufo pass over
Denver · CO, USA
4 Bright objects fly in formation over downtown Denver and the Platte River.
Pagosa Springs · CO, USA
triangles over the mountains
Denver · CO, USA
Silent and Triangular shaped craft passes above Denver residence
Colorado Springs · CO, USA
A calculated experience with another dimension.
Littleton · CO, USA
I WAS ON MY WAY HOME WHEN I SAW I FLASHING LIGHTS THAT WOULD LOOK LIKE AN AIRPLANE BUT IT TURNED BACWARDS AND AIRPLANES CAN NOT GO BACK
Aspen · CO, USA
High object over Colorado moving erraticly, starting and stopping, zigging and zagging, just before daybreak!
Lakewood · CO, USA
Blue light sighted low on Southern horizon moving in very strange and erratic patterns.