A hiker in San Diego County, California, was stopped in his tracks by a deep rumbling sound—a mountain-lion growl. Listen here.

A pair of backpackers spotted a cougar in Olympic National Park, and they called seeing the animal a “chance of a lifetime.”

Colorado Parks and Wildlife officials suspect a mountain lion fatally attacked a solo hiker on New Year’s Day. Learn more here.

Three hikers are dead on Mt. Baldy, and the details are a little confusing. Get the latest on this evolving situation here.

A hilarious moment caught on video shows hikers cluelessly walking past what could have been the highlight of their day—a large bull moose.

Search-and-rescue crews airlifted two hikers and their dogs from a snowy peak in Clark County, Nevada. Watch footage from the rescue here.

In a truly bizarre, a woman who went geocaching ended up with a deadly snake caught in the tiny loop at the back of one of her sneakers.

Joseph Brambila went for a solo hike of Mt. Whitney, and his family never saw him again. Officials have likely discovered his body.

An experienced hiker and backpacker recently got stuck in real-life quicksand in Arches National Park. Here’s what happened.

At least five hikers died when a snowstorm hit Torres del Paine National Park in Chile earlier this week. Learn more here.