Unknown UFO Sightings in Colorado
335 unknown-shaped UFO sightings reported in Colorado since 1964, peaking in 2020 (50 reports).
- Total sightings
- 335
- Span
- 1964–2022
- Peak year
- 2020 (50 reports)
- Dominant shape
- Unknown
1964–2022 · peak 2020 (50 reports)
Pueblo · CO, USA
Huge smoke like trail going across the sky
Mancos · CO, USA
Unidentified tracks near 5 households appear overnight
Longmont · CO, USA
I saw 6-8 different orange lights in the sky over Longmont and Boulder area, hold there position for extended period, then move slowly
Denver · CO, USA
Dark, silent object moving slowly over Denver.
Aurora · CO, USA
4 objects moving and dancing at very high altitude. shiney, reflective orbs
Grand Junction · CO, USA
No lights, quiet, hovering & stationary.
Berthoud · CO, USA
Unidentified noiseless craft slowly passing by our home at very low altitude.
Colorado Springs · CO, USA
Large disk shaped object above Mtn Shadow..Glowing red-blue-green-white.&is stationery..
Westminster · CO, USA
I saw a bright blue stationary object that turned bright green and silently zoomed off faster than my head can turn.
Berthoud area · CO, USA
Two stationary lights, one orange and one blue, were seen emitting an orangish beam connecting them.
Silverthorn · CO, USA
Unusual vapor trail over Colorado mountains appeared in altered photo.
Victor · CO, USA
Two strobe like lights flying in unison in southern sky over Victor, CO
Doyleville · CO, USA
Strange lights observed near Monarch Pass.
Colorado Springs · CO, USA
It was in a T formation.
Arvada · CO, USA
Muted red glowing sphere changed directions then vanished
Denver · CO, USA
It looked like a star, but it stayed stationary and another light moved around it.It was too bright to have been a star. I went in
Grand Junction · CO, USA
Very bright crisp star like object seen in eastern aspect of sky over grand mesa. object changed colors from red to green to blue. Co
Centennial · CO, USA
I was outside on my back patio when I looked toward the eastern sky and saw a massively bright light rising in altitude. I asked my br
Fountain · CO, USA
5 Red light object floating over Fountain, CO
Arvada · CO, USA
ufo sightings above colorado 7/17/2001
Broomfield · CO, USA
Small, bright orb in Broomfield.
Windsor · CO, USA
((HOAX??)) Multicolor lights flashing in thick clump of trees.
Aurora · CO, USA
Alien report. ((NUFORC Note: We cannot confirm that this is a sincere report. Source remains anonymous. PD))
Rangely · CO, USA
Two objects, one trailing the other, extremely high altitude (looked like two satellites). As bright as Sirius.
Lakewood · CO, USA
Bright white light traveling across sky turns red then gone. ((NUFORC Note: Possible satellite?? PD))