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)
Boulder · CO, USA
A large triangle craft, with about 20 red lights blinking once per second. The craft appeared to be very large, about twice the size of
Snowmass Village · CO, USA
Bright white lights bounced around in sky over Colorado Springs for 1 hour approx. on Sept. 17, 2007
San Pablo · CO, USA
Incredibly pure white, bright light, hanging motionless, low in s sky just after sunset Sept. 22. ((NUFORC Note: Jupiter? PD))
San Acacio · CO, USA
diamond shape translucent ship over New Mexico
Loveland · CO, USA
3 circular object formation or triangle over Loveland, CO
Falcon · CO, USA
Huge crescent shaped object, emerged from a distorted area of the sky.
Denver · CO, USA
Circular object flying up and into the clouds before a storm.
Boulder · CO, USA
Early morning Boulder, CO UFO sighting with photos
Brighton · CO, USA
Zigzagging Object during meteor shower
Ft. Lupton (near) · CO, USA
Very strange, very fast flying object near Boulder Colorado
Zapata Falls · CO, USA
Was moving left to right at a high rate of speed.
Commerce City · CO, USA
close encounter
Denver · CO, USA
Large white rectangular UFO over Denver
Denver · CO, USA
Shiny metallic cigar shape (probably saucer) object travelling above Denver metro area.
Cortez · CO, USA
A football field size bright light with a multicolored beam in the middle
Almont · CO, USA
Both can bee very huge in size. ((anonymous report))
Loveland · CO, USA
Crescent shaped bright object with green and red edges seen through telescope.
Powderhorn · CO, USA
A close night sky incounter.
Wheat Ridge · CO, USA
Triangle Bright light formation flying sideways
Colorado Springs · CO, USA
while laying in bed a little before midnight a bright red light caught my eye. it was was quite a distance from the window and was gli
Hooper · CO, USA
Many watch as two UFO’s merge then separate
Hooper · CO, USA
Event happened during UFOlympics at UFO Watchtower and I was with Stan Romanek.
Hooper · CO, USA
2 UFO's spotted over Hooper, Colorado
Hooper · CO, USA
3 craft sighted by several witnesses in clear daylight conditions. Timepiece anomoly also occured
Hooper · CO, USA
Saw two craft in close proximity to each other, stationary at distance of several miles, with photographic confirmation, in daylight.