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11 encounters
23 August 2018 Jefferson, Park County, Colorado Class B #60877

Mother and daughter have a scary daytime encounter while hiking on North Twin Cone

Two hikers were descending a road when they heard multiple loud tree knocks, had rocks thrown past them, smelled an intense stench, and one of them saw a dark figure watching. They fled downhill toward their vehicle while using an air horn, heard a loud guttural whoop near the car, and reported being followed for several miles.

Wood knockRock throwingOdorSilhouetteWhoop +1
9 February 2014 Estes Park CO, Larimer County, Colorado Class B #44401

YMCA camp guest has a possible nighttime sighting and hears strange vocalizations in Estes Park

The witness was staying alone in a cabin and woke around 2:30 a.m. to look out the bedroom window toward another lighted cabin about 75 yards away. The witness saw a very tall dark figure silhouetted against the basement lights striding through snow and swinging its arms. After watching for about 20-30 seconds the witness closed the curtain, later associated the figure with images of Bigfoot, and checked the door locks to feel safe.

SilhouetteFull-body sighting
5 August 2013 Victor/Cripplecreek, Teller County, Colorado Class B #41935

Couple observe a large dark figure as it watches fishermen at Skaguay Reservoir near Victor

The witness and his wife were driving near a reservoir in late morning when they noticed a large dark figure across the lake. The figure walked across a valley and up steep terrain with long smooth strides, then paused behind a tree to watch before walking away into timber. The witness estimated it was about 8 feet tall and wore no clothing.

Full-body sighting
14 October 2011 FortGarland, Costilla County, Colorado Class B #34078

Father and son witness fast-moving biped crossing road east of Fort Garland

While driving south to go hunting before sunrise, the witness and a companion saw a grey, shaggy bipedal figure run across the highway and up an embankment over a fence. The figure was bent over and moving very fast with its arms pumping, and had very long hair on its forearms. After stopping to look with a flashlight, they heard two distinct whistles from the trees.

Road crossingFull-body sightingWhistle
7 October 2005 Littleton/Roxborough Park, Douglas County, Colorado Class B #12802

Sighting by three groundskeepers at Arrowhead Golfcourse around 8:30pm

Three coworkers riding in a golf cart while collecting flags passed within a few feet of a tall pale human-like figure beside the path near hole 13. They drove past, confirmed they had all seen something, and turned back; two of them saw it again peeking from behind the elevated tee box before it moved out of sight. They left, returned minutes later in an enclosed cart, and heard repeated creaking sounds nearby before leaving the area.

Partial sightingUnidentified sound
1 August 2004 Crested Butte, Gunnison County, Colorado Class B #16038

Possible camp stalking at Taylor Reservoir outside Aspen

The witness and his wife were bedded down in their pop-up camper at night when they heard lapping sounds and their skillet rattling outside. The witness opened the camper door expecting a bear and saw a large dark upright shape about forty feet away moving swiftly into the timber. The camper shook strongly as the animal left while nearby dogs barked. In the morning no tracks were found and they could not recreate the shaking.

SilhouetteProperty disturbanceUnidentified sound
Fall 2000 Fairplay, Park County, Colorado Class B #3112

UK Gypsies vacate Colorado campsite after encounter with 7' creature

A large group was gathered for a nighttime barbecue and fire at a forest clearing when a very loud high-pitched scream was heard from just outside the clearing. Moments later a very tall powerfully built ape-like creature covered in long beige hair with dark areas on the face and elbows was seen entering the clearing and then leaving at great speed. The group fled in panic leaving belongings behind, and a follow-up visit about a week later found no belongings or tracks.

ScreamFull-body sighting
October 1986 Teller County, Colorado Class B #1375

fresh set of tracks found in the snow.

Three people in two pickups crested a hill at dawn and noticed a fresh set of large tracks looping across an open hillside in new snow. A relative glassed the area with binoculars, became visibly upset, and said he thought he had seen bigfoot. The group did not approach the tracks or the area and avoided it altogether. The account was relayed secondhand by a close friend of one of the men.

TracksPartial sighting
September 1984 Greystone, Moffat County, Colorado Class B #7077

Hunters Hear High Country Vocalizations

Four bowhunters bugling for elk heard a powerful howl they said was not an elk and was not made by their own party. As the sounds drew closer, one member of the party saw a dark brown flash of fur in the trees but could not identify it. The group then drove out of the area and did not return to hunt.

HowlPartial sighting
1 October 1971 Boulder, Boulder County, Colorado Class B #1228

Youngster frightened by "monster" peeping in window

A young boy resting in the upper bunk of a small cabin heard a strange animal-like call followed by footsteps and rustling outside. When he looked through the open shutter window he saw a dark, very hairy face with glowing eyes staring in, which fled when he screamed. The family later estimated anything peering into that high window from the sloped ground would have to be about seven to eight feet tall, but they found no trace the next day.

Partial sightingVocalizationFootstepsEyeshine
1926 Walden, Jackson County, Colorado Class B #5641

Daylight sighting by woodsman of two bipeds stalking an elk

The witness was positioned on one mountainside watching across a valley toward an opposite slope where an elk was being stalked by two large brown animals first taken for bears. Viewed through binoculars, the two stood upright and walked on two legs, keeping the elk between them and at times hiding behind trees before entering heavy timber after about five minutes. The outcome for the elk was not seen, but the witness thought the pair probably killed it.

Full-body sightingAnimal behaviour