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)
Buena Vista (None around for miles) · CO, USA
Several red/green randomly flashing lights bouncing in and out of an area with bright flashes (without lightning bolts or thunder).
Breckenridge · CO, USA
HUGE silent disk floats slowly in the Rocky Mountains
Rifle · CO, USA
From Rifle, Colorado: The night was clear, Monday August 12th, 2002, close to midnight while laying out on our deck watching for meteo
Fort Morgan (west of) · CO, USA
While travelling northeasterly on Interstate hiway29 (enroute from Denver to Nebraska, at approx. 5:30 am on Sundat Aug 18, 2002, I ob
Simla · CO, USA
kinda like a triangle with blinking lights on the 2 sides....
Littleton · CO, USA
Daytime disk flying in stormy Denver weather
Longmont · CO, USA
Five circular bluish-white objects moving north to south, 3 first followed by two more in a vertical pattern.
Longmont · CO, USA
Three small circles of light in a constantly changing pattern.
Fort Collins · CO, USA
3 flashes then 7 dim lights flying in a "V" shape.
Denver · CO, USA
we taped a triangle shaped object changing shape and color then just disappeared within 15 min
Broomfield · CO, USA
I was amazed! They moved across the sky at super fast speeds.
Littleton · CO, USA
A Pulsing Red Orb shaped object came accross the foothills eastward above Dear Creek Canyon.
Colorado Springs · CO, USA
Glowing silver-blue sphere which vanished. ((NUFORC Note: Possible sighting of Iridium satellite "flare?" PD))
None · CO, USA
Yellow strobe-like flashing disc rapidly heading east next to county road.
Thornton · CO, USA
Stationary brilliant light that suddenly rotated and rose rapidly and vanished
Littleton · CO, USA
black, relatively stationary craft seen changing shape in windy skies
Bailey · CO, USA
I was listening to your show late last night( about 2:30 AM ) while doing my computer work. Before going to bed I went out to check the
Broomfield · CO, USA
On 6/18/02 @ approx. 12:45 I saw a metallic sphere shaped object hoovering over Boulder CO. It then moved toward the east and vanished
Denver · CO, USA
the dot of light in the sky stayed still for about 15 minutes and then zoomed across the sky.
Florissant · CO, USA
Clear, round, silvery object with a definate flightpath. Right across the sky. Fast! Faster than any other aircraft around it.
Morrison · CO, USA
Small red and black object seen flying over Red Rocks Park near Morrison, Colorado.
Westminster · CO, USA
Triangle craft seen in Westminster Colorado.
Highlands Ranch · CO, USA
LIghted cylinder unexplained object was spotted in Douglas County Colorado
Lakewood · CO, USA
Saw two star-like objects traveling southeast
Colorado · CO, USA
they took me up in the sky in a "dream"