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)
Arvada · CO, USA
5 circular/cylindrical flying objects flying higher than planes
Parker · CO, USA
Lights in formation of triangle in southwest sky. Fading in and out but moving fast up and then down. One aircraft in area.
Thornton · CO, USA
((HOAX??)) Cigar shape moving steady east to west. ((anonymous report))
Colorado Springs · CO, USA
I saw a triangle shape object with lights on the points and 1 light in the middle hovered in sky for 15-20 mins. ((anonymous report))
Ridgway · CO, USA
Unidentified flying object near Mt. Sneffels
Durango · CO, USA
We noticed a bright spherical shaped orb in the sky south of town Durango Colorado. ((NUFORC Note: Balloon? PD))
Westcliff · CO, USA
A large UFO landed 50 feet from me and 2 friends. 30ft long 20ft tall disc with multiple lights around the center
Aurora · CO, USA
Bright white shape seen close to a park.
Manitou Springs · CO, USA
Fireball over Colorado Springs, west to east, slows down, turns, and then moves north. ((anonymous report))
Loveland · CO, USA
Boomerang formation giving off a trail of light like a comet. Two aircraft were in the air at the same time.
Rico · CO, USA
Ufo sighting backpacking in the San Juans of Colorado. ((anonymous report))
Longmont · CO, USA
I was at work when I stepped outside to do a security check of the building I'm responsible for. A light was seen to the South and was
Denver · CO, USA
At 928 pm friend and I talking about me seeing a red triangle shaped ufo just a week ago then see 6-8red orbs little bigger than Mars w
Northglenn · CO, USA
Triangle shaped object with white lights on the three tips seen moving south to north
Aurora · CO, USA
Similar to shooting star, bright green and left trails like smoke clouds. No noise cloud level so kinda close.
Centennial · CO, USA
We saw a small white circular object travel east to west, stop and hover, then move upward out of sight.
Littleton · CO, USA
it was broad daylight!
Aurora · CO, USA
We saw a bright light traveling E to west, at a moderate speed and elevation that lasted up to 2 min
Aurora · CO, USA
While in our backyard relaxing on the patio my girlfriend and I saw a round bright light heading from west to east at a moderate elevat
Boulder · CO, USA
Triangular moved N to S a slow slow steady speed very dim lights that could be mistaken for stars at a distance ((anonymous report))
Arvada · CO, USA
7-9 glowing white lights in arrow formation flying east to west fast and low
Lakewood · CO, USA
Sky cracked open.
Littleton · CO, USA
Nine crafts triangle in shape, in formation and movement and dull silver in color.
Colorado Springs · CO, USA
5 colored lights moving in sky east to west.
Lafayette · CO, USA
Noticed a triangle object flying from Broomfield area to Boulder. ((anonymous report))