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)
Durango/Pagosa Springs (between) · CO, USA
cigar shaped craft hovering over mountains
Pueblo · CO, USA
Dark, spinning object morphing into shapes.
Boulder · CO, USA
Light or small object, drifting slowly E-W on a clear afternoon. No sudden maneuvers, flew v. slowly.
Glenwood Springs · CO, USA
Pair of dull red lights silently fly over Glenwood Springs, CO
Lakewood · CO, USA
Tilted looking Object (like a forward slash ---> / ) moving from west to east.
Loveland · CO, USA
Silver metallic cross and ring with white lights hovering above the highway.
Denver · CO, USA
I don;t know if this is even any thing or not but I was watching Ten Thousand BC. 16 minutes into the movie is when I saw some lights i
Gunnison · CO, USA
Huge bright light followed us 30 miles!
Lafayette · CO, USA
Crescent shaped object travels through night sky near Boulder.
Highlands Ranch · CO, USA
SW Highlands Ranch, CO 05:42 sighting of brilliant "falling" white light that STOPPED mid-sky & became horizontal strobe lit UFO...
Thornton · CO, USA
Tumbling Star looking UFO above Denver
Boulder · CO, USA
strange hovering white light that eventually descended slowly
Colorado Springs · CO, USA
bluish white colored disc flys silently across sky and vanishes
Denver · CO, USA
Witnessed V shaped lights moving without sound over Denver, Colorado for 20 seconds
Lafayette · CO, USA
I was at a friend’s house in Lafayette Colorado to watch the predawn Meteor Showers at 4:00am. We were standing outside having a smoke
Lafayette · CO, USA
I completed a report on your site over a year ago and it was very brief and not as descriptive as I should have been in my initial repo
Denver · CO, USA
Two orbs,,,one in Denver,,,,one in San Diego
Pueblo · CO, USA
3 orange lights seen west of pueblo blvd and arkansas river
Denver · CO, USA
Pulsed Contrail
Fort Collins · CO, USA
3-4 intensifying lights, under telescope; triangles with color-changing and cycling lights
Englewood · CO, USA
Invisible aircraft
Highlands Ranch · CO, USA
Large, silent, slow, triangular UFO with 6 bright white lights traveling approximately 4 stories off the ground near Denver...06:30
Arvada · CO, USA
silent v shape craft , no light's, moving west to east, circles on bottom from center and two down the "wings"
Erie · CO, USA
Bright light has been in the sky for 2 months, noticed it moved position, then it took off.
Greeley · CO, USA
Dark triangular form appeared, flew at a steady pace a few blocks over the treeline in Greeley, Colorado and then dissapeared.