After a fatal mountain lion attack killed a woman hiking in January 2026, a separate sighting forced a trail closure. A woman was killed in Colorado’s first fatal mountain lion attack in 25 years.

Colorado has a few thousand mountain lions, but a mountain lion attack on a human is rare, and a fatality – like the woman who died in a suspected attack Thursday in Larimer County – is even rarer.

Colorado wildlife officers euthanized two mountain lions after hikers discovered an adult woman dead on the Crosier Mountain Trail in Larimer County on January 1. The woman had “wounds consistent with ...

Colorado wildlife authorities have ended their search for mountain lions along a hiking trail where a woman was killed in a mountain lion attack on New Year's Day, the state's first fatal attack since ...

Getting your Trinity Audio player ready... Authorities are continuing the search for a third mountain lion Friday after a woman was killed Thursday afternoon in what officers are investigating as a ...