- Date unknown Louisville, Boulder Cty, Colorado
- about 1881 Colorado
- 1976 Colorado
- 1981 Cripple Creek, Teller Cty, Colorado
- Dec 1982 Pueblo, Pueblo Cty, Colorado
- Nov 1996 Keystone, Summit Cty, Colorado
- Nov 1996 Glenwood Springs, Garfield Cty, Colorado
- Apr 1998 Florence, Fremont Cty, Colorado
- Jul 1998 Silverton, San Juan Cty, Colorado
- Sep 1997 Sedalia, Douglas Cty, Colorado
- 1990 Platoro, Conejos Cty, Colorado
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Date unknown
Leadville, Lake Cty, Colorado
Jeff Danelek was told that 12 climbers on Mount Elbert saw a creature 6.5 to 7 feet tall, covered with black, shiny fur, at dusk, 25 yards away. After exchanging stares for two minutes the climbers advanced about 10 yards…
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1975
Colorado Springs, El Paso Cty, Colorado
John Lorch, apparently a young boy, wrote that while in his bedroom after breakfast one morning he heard an awful screech, looked out and saw a dark brown creature 7 or 8 feet tall, about 150 yards away, walking across…
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Jul 1977
Ouray, Ouray Cty, Colorado
Heinz Fritz Doedde, Nordhorn, Germany, wrote to the mayor of Ouray to say that while camping near that town he twice saw dark creatures, once on a hike in the mountains and again while fishing the next day. He gave…
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1979
Trinidad, Las Animas Cty, Colorado
A man and his girlfriend checking reports of a "giant ape" seen around an old church near the Allen Mine staked it out at night, and after midnight he went to check something seen in the shadows near the church,…
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1979
Trinidad, Las Animas Cty, Colorado
A young girl reported that passing the church at the Allen Mine just before sunset she heard a grunting noise from behind her and saw standing at the corner of the church an 8 foot tall ape, looking down at…
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1980
Trinidad, Las Animas Cty, Colorado
A boy living in Engleville Hill on the outskirts of Trinidad looked out to see why his dog was barking furiously and saw in the dim light from the porch a giant hairy figure in the yard. Got his father…
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1980
Trinidad, Las Animas Cty, Colorado
A few days after sighting by boy (1001233) an elderly man living on Engleville Hill went out with gun and flashlight to see why his dog was barking, saw an 8-foot monster standing in his garden, shot at it and…
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1980
Trinidad, Las Animas Cty, Colorado
A woman and her son at their home near Weston, by the city's water treatment plant, sitting on the front porch at night when the woman noted a strong odour, and noticed a huge shape just beyond the porch light.…
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about 1990
Manitou Springs, El Pasp Cty, Colorado
Caller said that while camping in the Pike's Peak area he and another person were hiking when a large, hairy, manlike creature stood up 25 feet away from them, calmly turned and walked away.
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Oct 1970
Coalmont, Jackson Cty, Colorado
X with uncle Bill and cousin Charles, elk hunting in Rabbit Ears Pass region in Routt National Forest, were returning about 4.30 p.m. to Walton Creek Campground. About 4 miles south of camp they heard something crashing through the woods…
- 1972 to 1973 Greeley, Weld Cty, Colorado
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about 1980
Cripple Creek, Teller Cty, Colorado
Snow camping in Pike National Forest behind Pikes Peak, Edward and friend exploring in deep snow came on a trail on a rise in the valley floor and followed it a short distance. They found some very large, barefoot, human-shape…
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Jul 1997
Platoro, Conejos Cty, Colorado
Randall and wife were driving the Saddle Creek logging road scouting for elk at about 1.30 p.m. when they saw from a rocky overlook a group of hikers about a quarter mile away and 1000 feet below descending the Lake…
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Sep 1997
Sargents, Saguache Cty, Colorado
Four men from Colorado and two from Arkansas, aged 25 to 54, were bow hunting for elk in the region between Old Agency and Stage Coach peaks, which are part of the continental divide at more than 12,000 feet. In…