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)
Grand Junction · CO, USA
Multiple colorful, flashing lights starting around 3 a.m. as if waiting for three solid white balls to form straight line.
Aurora · CO, USA
Bright object over Aurora that changed shapes as it left.
Weld County (rural) · CO, USA
I suddenly see three large circular objects that were extremely bright.
Denver · CO, USA
The sky was light. So no fireworks were visible yet. There where two circles of light hovering above the airport in Denver.
Pueblo · CO, USA
3 fireballs in the night sky of Pueblo, CO.
Denver · CO, USA
Denver Light formation 7/4 of 4-5 bright lights format just after firework show began low sky and bright N of Englewood nr Denver.
Denver · CO, USA
5 distinct bright objects moving in and out of formation and visibility.
Mt. Morrison · CO, USA
We saw one round object hoovering around the antenna tower on Mt. Morrison between Interstate 70 & Rd. 74.
Telluride · CO, USA
unknown object in sky seen on photo taken during hike.
Parker · CO, USA
Observed reddish colored circular craft approximately 1000-1500 feet in alt., traveling N by NE at approx. 35mph. ((anon. report))
Lyons · CO, USA
Hundreds of "Point-Light-like" white lights moving through the sky with changing speed, spatial distances to each other.
Grand Junction · CO, USA
((HOAX??)) Mental contact made with ufo.
Grand Junction · CO, USA
Mental contact made with ufo but with a negative response
Colorado Springs · CO, USA
Bright white, (to light blue hue) pulsating circular light that would appear, then disappear, then reappear.
Highlands Ranch · CO, USA
Bright light going at high speed completely reversed direction and then disappeared.
Littleton · CO, USA
Silent orb passed nearly directly overhead in the pre-dawn morning. ((NUFORC Note: International Space Station. PD))
Denver · CO, USA
I am seeing a bunch of white orb like lights moving in a circular motion and then spanning off in different directions as i am looking
Grand Junction · CO, USA
Solid white light appears in night sky, then vanishes. ((NUFORC Note: Three sightings of the ISS. PD))
Parker/Aurora · CO, USA
3 objects together and then separate during storm over Parker/Aurora, Colorado
Colorado Springs? · CO, USA
Cloud covered object with black parallel column from sky to the ground
Cimarron · CO, USA
Cross-shaped lighted UFO south of Cimarron, CO.
Boulder · CO, USA
Slow moving bright white orb turned dull orange then into an orange pinpoint then disappeared.
Rabbit Valley · CO, USA
Saw a very bright and fast solid white light moving from west to east. Stoping and going moving left and right then disappearing before
Colorado Springs · CO, USA
Ok so i was living in Colorado springs CO in an apartment close to NORAD base and on that night me and my boyfriend were laying in bed
Gunnison National Forest (Almost) · CO, USA
Floating orbs of light—split and re-combined—circled/hovered near tent while camping