San Bernardino County · Wikivoyage
San Bernardino County is a county that spans the Southern California and Desert regions of the state of California. It is the largest county in the state at 20,105 sq mi (52,070 km2) - an area larger than nine of the US states, and about the same size as Costa Rica! The southwestern portion of the county, where most of the people live, is known as the "Inland Empire" and consists of suburbs of Los Angeles. The vast northern and eastern portions are mostly sparsely-populated desert. In between are the Victor Valley and the San Bernardino Mountains. When driving from L.A. to Las Vegas, you will mostly be driving through San Bernardino County.