Add Yahoo as a preferred source to see more of our stories on Google. Officials say the last fatal mountain lion attack to take place in Colorado occurred in 1999. Update: Colorado officials have ...

Colorado Parks and Wildlife tell me they've killed 2 mountain lions in this area, and they're testing both of them for human DNA. I've never even seen *** mountain lion myself, and I'm out here all ...

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.

Update: Colorado officials have confirmed that the hiker found dead on a trail in Larimer County on New Year’s Day was killed in a mountain lion attack. Necropsies performed by Colorado Parks and ...