- - Woman dies in suspected mountain lion attack on Colorado trail

Marlene LenthangJanuary 2, 2026 at 6:55 AM

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Mountain lion attacks on humans in Colorado are rare, officials said. (DEA/C.DANI/ I.JESKE / De Agostini via Getty Images)

A woman has died in a rare suspected mountain lion attack in Colorado on Thursday, officials said.

Hikers told authorities they saw a mountain lion near a person who was lying on the ground 100 yards away around 12:15 p.m., on the Crosier Mountain trail in unincorporated Larimer County, Colorado Parks and Wildlife said in a news release.

The hikers scared the lion away by throwing rocks and then attended to the adult woman, the release said. One of the witnesses was a physician and "did not find a pulse," said Kara Van Hoose, spokesperson with Colorado Parks and Wildlife.

The victim’s identity and cause of death will be released by the Larimer County Coroner.

Colorado Parks and Wildlife is investigating the death as a suspected mountain lion attack.

“There were signs that this was consistent with a mountain lion attack but we can’t say for sure,” Van Hoose told reporters Thursday. She said it's believed the woman was hiking alone.

Colorado Parks and Wildlife, along with Larimer County Sheriff deputies, Estes Park police and Glen Haven Area Volunteer firefighters responded and launched an extensive search for mountain lions. They were aided by a Colorado Parks and Wildlife biologist who was conducting aerial deer surveys in the county and houndsmen with dogs to track the scent of mountain lions.

One mountain lion was located at the scene but it ran away when officers shot it. It was tracked by the officers and euthanized, the release said.

A second mountain lion was found nearby shortly after and also euthanized, the release said. Colorado Parks and Wildlife policy mandates that wildlife involved in attacks on humans must be euthanized for public safety.

“It is unknown if one or multiple animals were involved in the suspected attack,” the Colorado Parks and Wildlife release said.

Pathologists will perform a necropsy on the mountain lions to check for abnormalities and neurological diseases like rabies and avian influenza.

They will also be tested for human DNA, Van Hoose said. If the lions don't prove to have evidence of human DNA, a search will continue.

Colorado Parks and Wildlife said mountain lion attacks on humans in Colorado are considered rare, with 28 previous attacks reported to the agency since 1990. The last fatal attack was 27 years ago, in 1999.

Van Hoose described the area as remote and heavily wooded, with some secluded trails.

“This is an area where mountain lions are really common, along with a lot of other wildlife like bears and moose,” she said. “Because mountain lion are really common in this area, we do expect to have conflicts with regular things like sightings or encounters with dogs.”

The agency noted that hikers should expect to encounter wildlife along the Front Range and Larimer County, and mountain lions are more visible in the winter as they follow deer and elk to lower elevations.

Colorado Parks and Wildlife advised anyone who may encounter a mountain lion to make noise and scare them, hold objects overhead to appear bigger and back away from the animal.

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Source: “AOL General News”