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12 encounters
May 2012 Bailey, Park County, Colorado Class A #35596

Early evening sighting by two women hiking in Bailey

Two women on an evening hike heard a loud branch break and saw a large bipedal figure running parallel to them through the forest and down a hill. They watched it for several seconds as it moved very fast with long strides and a forward lean, making no running noise despite dry ground cover. Both described it as tall, bulky and covered in dark grey to black hair, concluding it matched a bigfoot and was not a human or common animal.

Partial sightingUnidentified sound
15 December 2002 Jefferson, Park County, Colorado Class A #22801

Further apparent corroboration of multiple-witness, winter, nighttime, road-crossing near Kenosha Pass

A couple driving slowly at night in snow claim a very tall, dark, massive figure crossed the highway in front of their truck and nearby cars while illuminated by headlights. They said it covered the road in only three to four long strides and then vanished to the west side. After a pause they agreed to each other that it had looked like bigfoot.

Full-body sightingRoad crossing
19 July 2002 Canyon Junction, WY - YNP, Park County, Wyoming Class A #4692

Noon sighting by family of four near Mount Washburn, Yellowstone National Park

Four family members driving near Mount Washburn reported seeing a tall hairy biped on a distant ridge while looking for bighorn sheep around noon. The figure was described as dark brown, very tall, and walking upright with a slight forward lean across a clearing between trees. The group watched it for a few seconds as it moved upslope before losing sight of it.

Full-body sightingSilhouette
19 July 2002 Yellowstone Park, Park County, Wyoming Class A #4735

Noon sighting by family of four near Mount Washburn, Yellowstone National Park

The witness and family members were in a car on a road in Yellowstone park when they saw a tall dark humanoid figure about 300 meters away on a ridgeline. The figure walked uphill on two legs with a slight forward lean. The witness stated it was not a bear and could not explain what it was.

Full-body sighting
14 July 2000 Cody, Park County, Wyoming Class A #1242

Day hiker sees large, hairy animal which seems to follow him

The witness pulled off a highway west of Cody in late afternoon to hike north through timber and rocky outcrops. Over about an hour the witness heard rocks rolling, brush breaking and movement that seemed to follow and stop with them. While returning toward the road the witness turned to see an upright, brown, long-haired animal about 60-70 yards away that immediately leapt into dense timber. The witness was uncertain whether the sounds and sighting involved the same animal and noted a bear as a possible alternative, only later considering Bigfoot after finding a website.

Partial sightingFootstepsMovement onlyAnimal behaviourPossible misidentification
July 1999 Livingston/Bozeman, Park County, Montana Class A #2995

A van driver and passenger observe a large animal walking

The witness and a companion were driving east on a highway in Montana in the early morning. They saw a large reddish-brown hair-covered biped walking along a fenceline about 100 to 150 yards away. The animal took long strides and did not appear to notice the vehicle. They kept driving and watched it for only a few seconds without stopping.

Full-body sighting
2 November 1997 Park County, Wyoming Class A #1240

Sighting near Yellowstone Park entrance by two witnesses cutting wood

The witness and his brother were cutting firewood near a river when the witness noticed movement on a distant slope across the river. After losing it briefly, the witness watched through binoculars as a bulky dark-haired figure walked upright downhill for about 100 yards. About half an hour later while loading the truck in near-darkness, the witness heard an unfamiliar high-pitched squealing noise from upriver.

Full-body sightingVocalization
24 July 1997 Park County, Wyoming Class A #903

Sighting by a motorist near the park entrance approach from Cody

While driving out of Yellowstone and scanning the mountainside for bighorn sheep, the witness noticed a tall, hairy, upright figure walking beside a triangular snow patch near the top. The figure took a few large strides across rocky terrain and stopped above a grassy area. The witness's son saw the same figure at the same time.

Full-body sighting
May 1989 Park County, Montana Class A #1693

While scouting a timbered hill at 7000', hikers see a bipedal animal stand up & walk away

Two people scouting a cliffband saw a dark form by a lone tree on a flat buttress about 300-400 yards away. The form swayed, then stood up and walked with fluid motion into the timber in a few strides. Later at their truck about three-quarters of a mile away, their dog growled toward the woods and they left quickly.

Full-body sighting
May 1978 About 30 Minutes East Of The East Gate To Yellowstone NP, Park County, Wyoming Class A #1241

Two gov't geologists witness hominoid creature cross road about 30 min. east of Yellowstone Park's East Gate

Two geologists driving at night toward Yellowstone saw a large upright shaggy figure in their high beams as it climbed from a roadside ditch. The figure glanced at the vehicle, then crossed the highway in a few long strides, grasped the guardrail, and descended into a culvert out of sight. The witnesses stopped briefly then drove on to the park entrance, waiting until morning to compare independent written accounts.

Full-body sightingRoad crossingEyeshine
April 1972 Lost Creek Wilderness Area, Park County, Colorado Class A #1370

Hikers observe animal crouched next to a pond in the Lost Creek Wilderness Area.

The witness and a companion were hiking in the Lost Creek wilderness on a sunny Sunday morning when they watched a creature near a pond from 100-150 feet for about 45 seconds. The creature was initially bent over and first taken for a bear, then stood erect and looked at them, provoking intense fear. The pair later returned with photographers but found no trace.

Full-body sighting
BFRO YEAR: 1970s-1980s Mammoth Hot Springs, Park County, Wyoming Class A #12302

Yellowstone backcountry ranger describes sighting, other incidents

The witness was riding with horses on a steep hillside above a meadow when the horses became agitated. A deer bolted from the edge of a thicket, followed by a black shaggy biped that ran between dense thickets while angling away. The witness watched it move from thicket to thicket, noting its stocky build, long swinging arms, and furry face.

Full-body sighting