'''San Bernardino County''', the largest county in the state, is a county that spans the Southern California and Desert regions of the state of California.

Regions

Cities

Southern California

The following San Bernardino County cities are in the Southern California region of California:
  • Adelanto
  • Apple Valley
  • Barstow
  • Big Bear Lake
  • Chino
  • Chino Hills
  • Colton
  • Fontana
  • Grand Terrace
  • Hesperia
  • Highland
  • Lake Arrowhead
  • Loma Linda
  • Montclair
  • Ontario
  • Rancho Cucamonga
  • Redlands
  • Rialto
  • San Bernardino
  • Upland
  • Victorville
  • Yucaipa
  • Mojave Desert

    The following San Bernardino County cities are in the Mojave Desert region of California:
  • Victorville
  • Barstow
  • Needles
  • Twentynine Palms
  • Other destinations

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