Claire Murphy was conducting "avalanche mitigation" work on Valentine's Day when she and a colleague were caught in an ...

A ski patroller died a week after an avalanche trapped her and another while doing mitigation work, the resort announced.

At Mammoth Mountain, more than five feet of snow could fall between today and night as an intense blizzard arrives.

Mammoth Mountain shut down all lift operations on Friday, Feb. 14, after an avalanche on Lincoln Mountain. Two ski patrol ...

Two Mammoth Mountain Ski Patrol staff were buried in snow Friday after an avalanche came down on them during their mitigation ...

Mammoth Mountain officials said the slide occurred during avalanche mitigation work following a significant Sierra Nevada ...

A hefty snowstorm is currently battering California's Sierra Nevada amid this week's atmospheric river, causing closures and ...

"Very dangerous avalanche conditions exist, and traveling in, beneath, or near avalanche terrain is not recommended." Just 45 ...

As an intense, snow-dense storm barrels into California, ski lift openings ... and forcing the suspension of most lift operations. And according to Mammoth Mountain's snow report, an additional ...