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)
National Forest · CO, USA
A green pencil-like object appeared from behind one hill only to disappear behind another. From - Fri Aug 21 11:38:01 1998 Received: fr
Colorado Springs · CO, USA
Two UFOs and one floating military plane in New Mexico.
Westminster · CO, USA
A disc shaped object was floating above, the color was a orangish red and glowing, took off at a blink of an eye.My name is Dave an
Security · CO, USA
very low clouds all different colors,search lights were seen shining down out of the clouds on the houses and streets. this event was s
Boulder · CO, USA
Saw six bronze color flying triangles, no lights on, flying between the stars in Boulder CO, 1979.
Parker · CO, USA
((HOAX??)) Three lights split off in different derections. ((anonymous report))
Longmont · CO, USA
Black triangle monolith passed over Longmont, Colorado in the summer of 1978
Grant · CO, USA
3 green fast moving lights
Denver · CO, USA
Denver, Colorado, March 17, 1977, at around 7:30 pm. Two objects seen up close. One hovered over our home, the other flew over at just
Aurora · CO, USA
i could see it but my friend standing next to me could not it was plain as day right there.
Steamboat Springs · CO, USA
Sound of possible USO that was most like a Bullroarer.
Denver · CO, USA
Myself and a friend's sister were standing on a rear balcony at 18th and Franklin St. (SE corner, alley) when we both seemed to "sense"
Aurora · CO, USA
Small Chevron shaped craft hovered silently above me at 200 ft. then zigged and zagged NW across Aurora.
Aurora · CO, USA
A moving light, resembling a satellite, moved in a zig-zag pattern.
Fort Collins · CO, USA
I was riding my bicycle on my neighborhood street and sensed there was something following me.
Arvada · CO, USA
Two stars in the sky, moving and then dissappearing
Denver · CO, USA
two lazer like lights, one 6-12 inches off the ground, one dollar sized on the ground.
Canon City · CO, USA
Aug 1976 Canon City Colo Disk shap duration 2 min just came over mountain and flew by
Johnstown · CO, USA
triangular with lights.....seen by town sheriff also upon arrival at cousins farm in johnstown colorado
Boulder · CO, USA
close range sighting of lit up disk at drive in theater
Allenspark · CO, USA
I was backpacking with my brother and our next door neighbor in and around Allens Park on July 04 1976. Not fireworks.
Silverthorne · CO, USA
a light appeared to my left and a metalic object suddenly appeared, saucer shaped
Kit Carson · CO, USA
Black and silver cylindrical object at very close range.
Littleton · CO, USA
The sighting was three stars apearing out of one.Movement of three stars projected out of center star than formed a demintional sign, A
Lakewood · CO, USA
lighte object over lakewood Colorado. event lasted almost 10 min.