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)
Henderson · CO, USA
green fireball going from east to west some green "sparks" given off,
Arvada · CO, USA
it was a flourescent green with red on the front and a long tail.
Colorado Springs · CO, USA
two columns of dull white spheres raced from south to north @ incredible speed.keeping perfect pararell formation.
Denver · CO, USA
Black object disappears followed by light object
Estes Park · CO, USA
UFO caught on film over Colorado Rockies
Canon City · CO, USA
Two eye witness saw this. One in a car, a second in a high rise apartment. 13th floor. The witness in the apartment said they landed
Canon City · CO, USA
while traveling east on Hwy 50 I spotted a cluster (6 or 7?) of red lights in the northeast sky app. 9:00 angle. They appeared to be co
La Veta · CO, USA
Aircraft looked like a 747 three times its size. At each wing tip were much smaller aircraft. A probe went to the ground from the bell
Alamosa · CO, USA
I am a police officer in alamosa colorado. on the date and time above, i was on routine patrol, i was traveling northbound along a coun
Colorado Springs · CO, USA
In twilight a disk shaped object "about the size of a dime held at arms length was seen by a husband and wife. They grabbed field clas
Lafayette · CO, USA
Event was a meteor shower. 5 meteors spotted in one hour plus 6 regular shooting stars.
Denver · CO, USA
A formation of a constant group of 1 dozen metallic/lights near DIA
Denver · CO, USA
Going to work, ahead of me at a stop light I saw a small object moving at a fast rate. It was crossing my direction of travel at an est
Bailey · CO, USA
Streak of bright blue/white light flashed vertically downward from @40deg to horizon. Seen @20degs. SSW in clear moonlit sky.
Aurora · CO, USA
while driving to wal-mart notice a reflection of something silvery high in the sky was to high up to notice shape or size but notice it
Wheatridge (5 miles or so northwest of Denver) · CO, USA
While standing outside with my wife, I looked up and to the north and saw a triangle craft or formation at about 5000 feet. There were
Lakewood · CO, USA
Triangle shaped lights moving very very fast
Denver · CO, USA
My son and I saw and videotaped a sighting in the sky north of Denver on 11/14/98 beginning at 17:24 and ending at 17:38.
Wheat Ridge · CO, USA
VERY LARGE DIOMOND SHAPED OBJECT HOVERING OVER NEIGHBORS HOUSE.HARDLY ANY SOUND,JUST A LOW VIBRATIONAL SOUND.
Greeley · CO, USA
Looking for Leonid meteors saw triangle lights fly overhead
Aurora · CO, USA
Triangle shaped object traveling slowly over Colorado neighborhood
Bayfield · CO, USA
Large light object in sky with lightning storm and huge beam of light from below in southern Colorado
Denver · CO, USA
Red fireball with red tail traveling east to west
Fort Collins · CO, USA
Double boomerang formation or chevrons tip to tip, a dozen or so white lights, not blinking, moving slowly NE to SW, no sound
Westcliffe · CO, USA
Light in southeast sky, very bright not Jupiter, changed colors white, green, then red, faded completely then reappeared.