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)
Castle Rock · CO, USA
Man repts. seeing "a slender object, with a string of lights across body." As wide as a full moon. Observed w/ binocs. Very unusual.
Flaming Gorge · CO, USA
Thee White Orbs Seen in Sky at Flaming Gorge Park
Penrose · CO, USA
Ball of light setting behind hills
Colorado Springs · CO, USA
About 1am i saw a bright red light racing from the front range of Colo northeast and changed angles and dissapeared in 15 sec.
Colorado Springs · CO, USA
There I was laying in a wheel barrel at lunch staring at the front range like countless other nights when a bright red light appeared
Craig · CO, USA
Very Shiny and Reflective Saucer seen on the South side of Craig, Colorado Summer of 1995
Golden · CO, USA
Witnessed a Barbell like object that rotated irratically, changed directions several times, and finally dissapeared.
Conifer · CO, USA
Turkey Creek Canyon Road, Conifer Colorado sighting (3 witnesses)
Pueblo · CO, USA
Denver FAA relays rept. from comm. aircraft: Crew sees obj. zigzag at Mach 4 (!) on collision avoidance radar (TCAS)@36'K. alt.
Loveland · CO, USA
NORAD Bulletin board says "800 unknowns tracked last year"
Boulder · CO, USA
College stud. sees 3 objs. in formation pass directly overhead. Very fast. Covers 120 deg. in 7 seconds.
Loveland/Estes Park (between) · CO, USA
It looked like a star that was moving across the night sky. But it stopped and changed direction again and again. It changed color an
Glenwood Springs · CO, USA
very bright light in the sky moving slowly made a sudden jump upwards and disipeared
Denver · CO, USA
I saw a UFO in August of 1994.
Burbank · CO, USA
Ok, this one I have trouble writing as it may seem crazy. But I swear this really happened. Back in about 1993-1994 early morning (don'
Westminster · CO, USA
I was riding in a car heading south on Wadsworth Blvd toward 92nd in Westminster. I looked west at the sunset and abov
Dillon · CO, USA
ufo activity at lake dillon,colorado
Westminster · CO, USA
A white puffy cottonball appeared and then a triangle emerged from it. It was totally silent and had a light on each corner.
Fort Collins · CO, USA
Red-lighted UFO with bluish flashing light flits over vacant field.
Colorado Springs · CO, USA
Saw a UFO and spoke to a possible alien.
Aurora · CO, USA
3 Elongated Diamonds flying in formation over Aurora, CO
Holy Cross Wilderness Area (Near) · CO, USA
I was alone camping in the mountains and was awakened by strange noises and an intense bright light that seemed unearthly.
La Verne · CO, USA
It flew over the crest at an amazing speed and disappeared in a small cloud it should have flown through at that speed.
Pagosa Springs · CO, USA
Huge long narrow aircraft with seven huge lights appeared 100 ft. above our car and followed us for approximately a half mile
Rye (west of) · CO, USA
Bright light in sky in Colorado 1993 revealed as triangular craft from photo analysis.