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)
Fort Collins · CO, USA
Triangle craft spotted in Fort Collins Colorado
Colorado Springs · CO, USA
Bright white ball flew from west to east, did strange manuevers over and around Polaris.
La Veta · CO, USA
Unidentified Flying Object Flashing Lights above the ground. ((NUFORC Note: Possible sighting of Sirius in western sky?? PD))
Denver DIA · CO, USA
Vertical above view of disk over remote lake with erratic movement on approach to DIA
Denver (I-25 · southbound), CO, USA
Solo driver witnesses oblong, rectangular object w/ lights moving to the north above freeway
Westminster · CO, USA
My friend and i where outside smoking and noticed that there was quite a few falling stars.I was facing to the north and he was facing
Guffey · CO, USA
A witness near Guffey, Colorado reported lights over the treeline and objects captured in photographs, along with red spray or fumes over trees, observed over two hours in July 2005.
San Acacio · CO, USA
The lights seem to make some what of a large triangle
Longmont · CO, USA
Strange lights hovered low in the sky then accelerated quickly from Longmont CO to Boulder.
Boulder · CO, USA
Moon normal shape glaring bright streams of light around the moons perimeter. The orbs were white and blinked on and off at time
La Junta · CO, USA
Red light across the sky
Johnson Village/South Park · CO, USA
Traveling home my daughter noticed 3 stars that came closer and closer then we noticed that it dropped 2 ball like objects that came f
Highlands Ranch · CO, USA
A floating rainbowed saucer with an erie sound.
Colorado Springs · CO, USA
Picture of possible craft traveling to Cheyenne Mountain in Colorado.
Pueblo West · CO, USA
Bright Flash of light and than darkness
Lakewood/Denver · CO, USA
Bright lights forming various patterns.
Fort Morgan · CO, USA
It was a sphere shaped object with lights on it....it had left jet stream marks in the sky,then landed.
Longmont · CO, USA
Sphere shaped object moving from East to West, just before Sunset, North of Longmont .
Denver · CO, USA
Bright Golden orb with tail - remained in sight approximately 4 seconds moving from South to North
Denver · CO, USA
Then it dissapeared again.
Denver · CO, USA
Triangle with lights, no sound, heading south-west.
Longmont · CO, USA
White disc in Colorado sighted making sudden abrupt changes in direction and speed...
Evergreen · CO, USA
Small silver orb spotted above Denver CO mid-morning in fall of 2004
Littleton · CO, USA
Diffuse coherent ghostlike object seen rapidly crossing night sky.
Montrose · CO, USA
Stationary object with three pulsating lights ((NUFORC Note: We suspect Venus. PD))