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)
Westcliff (near) · CO, USA
A friend and myself went to take some pictures of an area we were planning on investing in when we spotted a strange object.
Denver · CO, USA
3rd sighting of UFO's in DIA area
La Veta · CO, USA
Me and my wife were going south on I-25, when I notice some flashing orange bright lights. When I looked up to the sky I stopped the ca
Longmont (approx 8 miles south of · CO-I25 interchg), CO, USA
In an instant I saw a red "glowing" light streak across 2/3 of the entire western skyline, Western sky above Boulder foothills, taking
Buena Vista · CO, USA
Ball of light that was thought to be a star dropped out of formation and changed colors and direction at super speeds
Boulder · CO, USA
I witnessed a shape over head coming from the north
Colorado Springs · CO, USA
Green 'fireball' with a blue tail.
Highlands Ranch · CO, USA
Object moved silent to west at an estimated altitude of 2500 feet.
Longmont · CO, USA
I looked out the window and I saw this saucer shaped thing. I looked all different directions and it still was there so it couldn't hav
Lochbuie/Brighton · CO, USA
Observed two bright objects at sunset over mountains west of Brighton, Co. Objects remainded constant in brightness and intensity for
Littleton · CO, USA
I saw a bright green "shooting star," but it was much brighter and larger than a normal SS, which I've seen dozens of. It appeared in t
Fort Collins · CO, USA
two craft with 3 white lights arranged in tringle and red light in center of triangle. slow flight. no noise.
Grand Junction (west of) · CO, USA
Saw three objects which flashed red, blue and white lights. Lights appeared to be stationary. Binoculars revealed three distinct lights
Highlands Ranch · CO, USA
Flashing UFO lights over church in Highlands Ranch, CO 1998-99
Telluride · CO, USA
Similar to report from Longmont CO on 9/7/98.Very fast moving light
Northglenn · CO, USA
Slow moving for the most part but had quick acceleration,absolutely no noise,bright light's (blue & orange)
Denver (above) · CO, USA
Strange object, stranger events that followed on seeing the object in the Mountains above Denver
Aurora · CO, USA
7/00/98 aprox aurora co looked like star 4-5 seconds object moved slowly westward 4/7/03
Longmont · CO, USA
Traingle craft about 60+ feet in diameter was sighted flying west of Longmont CO.
Jefferson (near) · CO, USA
Black Oval-Shaped Object Hovering Near Jefferson, Colorado.
Denver · CO, USA
I was looking towards the Mountains, west, when I saw a large bright golden circle shaped light raise from that area. It went accross
Bailey/Fairplay (between · off Hy 285), CO, USA
Myself and a friend witnessed a bright, white cirle of light about 20 yds across.It was about 500 feet above us.Everything went silent.
Florissant · CO, USA
THE OBJECT MADE A HUMMING OR DRONING SOUND.IT CAME FROM WEST TO EAST ABOUT 100 FT. ABOVE THE GROUND MOVING AT ABOUT 100MPH. OR LESS. IT
Colorado Springs · CO, USA
Big eyes.
Pueblo West · CO, USA
It was about 11:30 at night, when my brother came into my room and told me to look out my window. He seemed very excited but also a lit