For latest updates, see the San Bernardino County emergency site. Ranch is California’s second-largest wildfire since January, when fires burned about 55,000 acres in Los Angeles County.

Discover San Bernardino County, the largest county in the US by area. Explore its diverse landscapes, population, and rich history, from Native American tribes to its establishment in 1853.

Scroll down to see how the fire risk changed since 2011 in Los Angeles, Orange, Riverside and San Bernardino counties. You can find Cal Fire’s latest online map here.