The California Department of Fish and Wildlife provides estimates from two studies that show ranges of 2,000 to 3,000, and 4,000 to 6,000 mountain lions living in the state today.

The San Gorgonio mountain range, with its star Mt. Baldy, are some of the most popular areas to hike in Southern California because of their beauty — and a range of trails that are suitable for ...

Massive wildfires are raging through the San Gabriel and San Bernardino mountains — two of the three ranges where Southern California mountain yellow-legged frogs eke out a fragile existence in ...

LOS ANGELES — Some residents stranded in Southern California mountain communities by a huge snowfall could be stuck for another week, an official said Friday. A late-February blast of arctic air ...

A dangerous wildfire was spreading rapidly in populated areas of Ventura County in Southern California. The Mountain Fire, which ignited just before 9 a.m. on Wednesday about 20 miles northwest of ...

Winter weather advisories were posted for mountain ranges across three counties. Forecasters said the highest peaks could end up with 14 inches. Most of the storm moved through Southern California ...