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)
Denver · CO, USA
Silver Cigar Shaped object flying over I-25 downtown Denver at 2pm on a clear day
Loveland · CO, USA
I witnessed five lights that became stationary and moved in to a pattern that looked like the number five on a dice.
Pueblo · CO, USA
A bright white light hovered over Pueblo Blvd. bridge over the Arkansas River, about 30 ft. above traffic, but no traffic seemed to see
Denver · CO, USA
The objects were reflective and the movement was not wind driven and appeared in the field at once.
Canon City · CO, USA
10/25/05 8:30pm several lights floating in sky and disappeared one by one
Alamosa (Madano Pass) · CO, USA
Light in NW sky appears to be a planet, then moves off to west at a HIGH rate of speed.
Fort Collins · CO, USA
How aircraft shouldn't move
Loveland · CO, USA
Bright starlike object slowly fades at initial viewing
Boulder · CO, USA
BOOMERANG shaped. no lights on craft. Nighttime sighting. DEFINITLY under intelligent control. utterly silent.
Rifle · CO, USA
Brillant Large Light
Trinidad · CO, USA
2 large white lights moving N/NE. (We were facing North) Each light was about the size of Mars in the night sky. There was no sound, n
Colorado Springs · CO, USA
Bright Flashing extremely white lights.
Colorado (site unspecified by witness) · CO, USA
I went outside to have a cigg. before I go to bed , and about 2 minutes after looking up at the sky a blue and orange something shoots
Pueblo · CO, USA
TRIANGLE IN THE SKY
Snowmass Village · CO, USA
We have a very clear photo taken on 8/4/05 of a UFO that looks like a lighted candle atop a translucent dish - 6 bright balls of light
Loveland · CO, USA
Flashing light with no running lights inbetween flashes over NE Colorado
Longmont · CO, USA
Speed Changing BRIGHT blue "shooting star" seen over Longmont, Co 10:30p.m. Friday 12th August. Witnesses: 2(could be more;public)
Aurora · CO, USA
Flashing light Ascends quickly in the night sky
Centennial · CO, USA
Bright Cigar-shaped Object in Centennial Sky Moves Slowly then Disappears
Vail · CO, USA
MUFON COLORADO REPORT: Sphere shaped UFO that disappeared and gave off strange visual effects.
Sedalia · CO, USA
Fast hummingbird UFO possibly? Speed and sounds never heard.
Colorado Springs · CO, USA
Golden orb seen over Colorado Springs
Aurora · CO, USA
we saw a flying something in the sky it was flying southeast it looked like a star or shooting star but it wasn't. It was flying for a
Palmer Lake · CO, USA
Mysterious flashing stars appear and disapear in night sky.
Weld County · CO, USA
metallic craft hovering over missle silos in weld co colorado on clear day clearly visable