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)
Longmont · CO, USA
huge cloaked triangle/rectangle shaped object
Longmont · CO, USA
Green fireball in northern sky, moving rapidly to the left toward earth, and disappeared.
Blackhawk (north of) · CO, USA
green fireball descending in rocky mountains
Longmont (near) · CO, USA
UFO SITING 06/15/01 ALONG I-25 IN COLORADO
Littleton · CO, USA
black craft over clement park moving sw with looked like a bolt of lightning shooting from the bottom
Eads · CO, USA
Very large triangular object, no lights, no sound, extreme acceleration.
Greeley · CO, USA
Large diamond shaped craft with white-yellow diamond shaped lights sighted in Greeley, CO
La Junta · CO, USA
perfect triangular objects flying in perfect form with incredible speeds.
Elizabeth · CO, USA
I was driving home from work at approx. 11:00 pm, I saw a round ball of bright light in the sky. At first I thought that it may have
Englewood · CO, USA
Formation of three silent lights traveling in a large perfectly unison traingle as if all apart of one single object
Denver · CO, USA
Daytime sighting in Denver City Limits, witnessed UFO color, communications, movements of 6 flying craft.
Wray · CO, USA
We were playing football and something attracted my eye when I saw the football in the air there was a circle flying object in the sky.
Black Forest · CO, USA
Passed underneath and to the side of 3 lights that were stationary above tree tops at low speed.
Denver · CO, USA
(see discripton)
Denver · CO, USA
One pinpoint of light moved northward across the sky joining another before I lost them in the haze.
Denver · CO, USA
green,blue and red flashing lights.
Pueblo (70 miles south of) · CO, USA
ASTONISHINGLY HUGE FAST BRIGHT CRAFT
Roger's Mesa (northwest of Hotchkiss) · CO, USA
Saw a slow moving bright star-like yellow,white light mid-sky that pulsated bright and dim and drifted towards the horizon
Fort Collins · CO, USA
An object burned up it seemed then I could see it moving across the sky movinf east to west. I could see it about 2 seconds afetr it pe
Colorado Springs · CO, USA
Dark Spherical UFO sighted in the early evening in the colorado springs CO area.
Denver · CO, USA
A star-like object flying past the moon, faster than a jet
Woodland Park · CO, USA
Lights and a thin retangular shape.
Colorado Springs · CO, USA
3 triangular craft moveing in erratic patterns, then dissappeared.
CO · USA
A silver craft that seemed to be on a pleasure cruise.
Pueblo · CO, USA
Blue fireball lights up the skies of colorado and nebraska. The fireball was spotted my many people