Other / Unknown reports in Colorado
11 cases, best-documented first. Page 1 of 1.
We map claims, not creatures. A case is what some source says someone saw or heard, with the link to that source. It is not proof that anything was there, and a retelling counts once, not as a second sighting.

Other / Unknown · Pueblo, Colorado · 1871
A trapper near Pueblo, Colorado, reports seeing a large, mouse-colored beast with zebra-like stripes and a rhinoceros-like head, which was later corroborated by a local resident.

Other / Unknown · Denver, Colorado
Witness reports a pink balloon appearing on the street near a Burger King.

Other / Unknown · Durango, Colorado
The narrator and their son heard unusual noises and saw bones while hunting near a lake south of Durango, describing the experience as stranger than encountering a grizzly or cougar.

Other / Unknown · Alamosa, Colorado
Witness reports a friend seeing something huge on a roof trying to peek in a window.

Other / Unknown · Pikes Peak, Colorado · 2019
The narrator reports seeing a small, pure white creature with a bulbous head, spindly limbs, and long fingers that moved on all fours, leaped, and scaled rocks before disappearing into the snow.

Other / Unknown · Fairplay, Colorado
Witness reports stones thrown at tent and heavy footfalls near camp in Colorado, followed by finding large tracks (16-17 inches long) the next morning.

Other / Unknown · Grand Junction, Colorado
Witness reports finding a single reptile track on Grand Mesa and mentions receiving photos of similar tracks from Tennessee.

Other / Unknown · Colorado · 2021
Witness reports hearing a loud noise like a bat hitting the side of a house in Colorado and finding no physical evidence.

Other / Unknown · Denver, Colorado · 1960s
Witness reports a general was taken to a secret mountain base in Colorado housing a zoo of living dinosaurs, including a harmless T-Rex variant.

Other / Unknown · Aurora Highlands, Colorado · 1995
The narrator's husband and his four siblings all reported seeing a snake-woman in their childhood home's basement/crawlspace.

Other / Unknown · Colorado
Witness reports that six Christian families backpacking in Colorado observed a ritual in a valley where a large, scale-covered reptilian entity appeared and confronted them.