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)
Colorado Springs · CO, USA
No lights much larger than any aircraft very high rate of speed over 10000 ft. AGL
Grand Junction · CO, USA
first object was huge second much smaller both chased by fighter jets.
Grand Junction · CO, USA
Grand Junction, Colorado 3 minutes
Littleton · CO, USA
Cigar shaped flying object appears for 3-5 seconds in the southern sky
Windsor · CO, USA
Black triangle with three lights seen flying over Windsor, Colorado.
Englewood · CO, USA
daytime sphere stationary over Denver sky for 20 minutes
Fort Collins · CO, USA
white Streak of light
Golden · CO, USA
REAL BIG BIRD OR PTERADACTYL FLYING OVER FISHING PONDS WHILE TWO FISHERMEN WACTH IT
Piceance Creek · CO, USA
Glowing cigar-shaped object; cast no shadows.
Aurora · CO, USA
small faint star like object crosses the sky from the NW to SW then as the object got farther to the SE it faded and vanished..
Loveland · CO, USA
Bright flash of light for a few seconds in Loveland, CO.
Loveland · CO, USA
4 am i was coming home from work........saw a light far away moving fast and it looked like it was blinking or flashing
Loveland · CO, USA
object white in color with red glow around it
Longmont · CO, USA
Object hovered between Longmont and Berthoud, then vanished
Walsenburg (approx 20 miles north of) · CO, USA
round object moving in and out of thundercloud, after flitting back and forth,sped north at high speed
Longmont · CO, USA
3 bluish lights in a triangel shape streaked across the sky at a very high rate of speed.
Denver · CO, USA
Two triangular craft with 5 white lights each flying in formation.
Salida · CO, USA
3 Crafts Above Methodist Mountain in Colorado in August 2004!
Denver · CO, USA
Denver downtown UFO sighting
Englewood · CO, USA
white sphere(s) seen again in Denver area; perhaps colour-changing
Denver · CO, USA
Extremely bright small cylinder almost stationary in clouds abo e Denver.
Englewood · CO, USA
Oddly-behaving white sphere once again seen in Denver area
Boulder · CO, USA
The objects were not winged aircraft. They hovered and moved too slowly. The fighter jet was in the same area.
Aurora · CO, USA
green meteor
Englewood · CO, USA
Denver-area: starlike object in daytime sky is stationary, then speeds off