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)
Denver · CO, USA
At the Rockies game during the fireworks a lot of people were looking away from the fireworks and noticed an object with 3 lights. 2 re
Longmont (north of; on I-25) · CO, USA
UFO with visible cloaking device in Northern Longmont, Colorado.
Gilcrest · CO, USA
Three bright lights of varying sizes, flying in circles while in a triangle formation, cows, radio and lights affected.
Denver · CO, USA
Small craft with red and green lights moving erratically.
Pueblo · CO, USA
Pueblo UFO on 25Sep14 was a weather balloon.
Berthoud · CO, USA
HUGE red and golden triangle object-later photographed & witnessed by a third-party in Salida, CO
Pueblo · CO, USA
There was a UFO to the south about 2/5 of the way in the sky, the object was glowing orangish reddish. There were at least 7 people saw
Colorado Springs · CO, USA
It was red and didn't move. After 10 min., it disappeared. First sighting it looked silver
Cortez · CO, USA
Stationary cone-shaped object with light on top and bottom hovering over Mesa Verde
Denver · CO, USA
It appeared first as a series of stars that did not twinkle and moved along the skyline until disappearing. The star like collection sh
Drake · CO, USA
WE were star gzing when we saw to star like shape ojects move through the sky then dissapear.
Northglenn · CO, USA
White light, no sound stopped and changed direction. brighter then stars it passed.
Denver · CO, USA
Two bright orange orbs in Northwest Denver synchronized, traveling northeasterly above tree line, then disappeared.
Superior · CO, USA
Bright red ball of light appeared in the sky, traveled for a bit, then jetted upward and disappeared.
Castle Rock · CO, USA
Six objects in the sky in Castle Rock, CO.
Colorado Springs · CO, USA
Looked like a star, but wasn't.
Highlands Ranch · CO, USA
Extreme radio interference and no cell phone service available.
Wolcott (near) · CO, USA
Four lighted objects seen near Wolcott, CO, Eagle County. ((NUFORC Note: Report submitted by MUFON/CO. PD))
Littleton · CO, USA
Bright white object in the sky above Littleton, Colorado, around 0905, 15 August 2014.
Greeley · CO, USA
This was like nothing I have seen before
Hanover · CO, USA
Huge single flash that lit the darkness like it was day time.
Great Sand Dunes National Park · CO, USA
A white ball floating in the sky in southern Colorado.
Greeley · CO, USA
8 orange balls of light
Highlands Ranch · CO, USA
Orange orb splits into four colors and moves together in the sky in various directions.
Arvada · CO, USA
Mysterious lights moving back/forth and up/down in the treeline.