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7 encounters
28 July 2026 Lake City, Hinsdale County, Colorado Class A #81439

Daylight sighting by motorist along highway 149, ten miles SE of Lake City

The witness was riding as a passenger in a truck descending a mountain pass while looking for wildlife. A tall dark hairy figure emerged at the forest edge, turned uphill and walked along the treeline with a gliding gait for four to five steps until a road curve blocked the view. The witness was unable to speak at first, then asked the driver to stop, but the driver did not see the figure.

Full-body sighting
25 July 2019 Between Climax Pass And Copper Mtn, Summit County, Colorado Class A #63153

Daylight sighting by hikers at Mayflower Gulch outside Leadville

The witness was sitting on a rock in a high basin while hiking when they saw a large brown biped try to climb a snow cornice, fail, climb down, and walk briskly north out of view, then later reappear walking south above the cornice. About 45 minutes later the witness returned to the spot with another hiker and found handprints and footprints in the snow and photographed them. No further sighting occurred after traversing the difficult slope.

Full-body sightingHandprintTracks
13 June 2012 Silverthorne, Summit County, Colorado Class A #42602

Backpackers hear growls, knocking and observe two large, hairy bipeds at Surprise Lake

The witness and a companion were camped at Surprise Lake at dusk when they heard patterned knocks and rock-on-tree sounds. After the witness threw a rock against a tree and heard a similar sound returned, they saw a large brownish-red animal squatted and swaying behind a tree upslope. They attempted blurry photos while knocks were heard from behind the camp and from the animal's direction before leaving at first light.

Partial sightingWood knockRock throwing
31 August 2009 Burns, Eagle County, Colorado Class A #27075

Bowhunter witnesses woodknocking behavior outside the town of Burns

The witness was bow-hunting elk and reported hearing knocks timed to his steps near a clearing in the afternoon. He then watched through binoculars as a large hair-covered figure struck a log against a dead tree. As he left, knocks continued and he heard a log thrown nearby, later noticing a rancid black puddle on the trail.

Partial sightingWood knockObject throwingOdor
August 2000 Aspen, Pitkin County, Colorado Class A #470

Late night sighting by backpacker near Crater Lake

During a multi-day backpacking trip the witness left his tent at night and saw large green-glowing eyes about 70 feet away on the trail. The figure appeared over eight feet tall, stood on two legs, and had a very large head. After staring for about 30 seconds and being lit by a headlamp, it blinked, turned and walked out of sight.

EyeshinePartial sighting
21 April 2000 Gypsum, Eagle County, Colorado Class A #1355

BFRO Investigator, Keith Foster's evaluation of tracks found on the south shore of the Eagle River. App. 1 mile east of the town of Eagle.

The witness reported finding three large human-like footprints while fly fishing on the south shore of a river east of town. The prints were documented with photographs and tape measurements, including one about 18 to 19 inches long with a 38-inch step to the next print. The investigator stated that bear, human, and hoax explanations were ruled out by visual examination and estimated a very heavy animal from depth and area.

Tracks
July 1998 San Isabel, Custer County, Colorado Class A #14814

Father and son nighttime roadside sighting in the Wet Mountains southwest of Pueblo

While driving on a forest road in the early morning to find a campsite, the witness and a relative noticed an orange glow in a roadside stand of trees. As they drove past, the witness saw a tall erect human-like figure standing behind a large rock close to the road, turning its head and upper body to watch the truck. They did not stop, continued to a lake to wait for daylight, then returned in the morning to examine the site and take photos.

Partial sightingEyeshine