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is a small unincorporated community located in the Mojave Desert of western San Bernardino County, California. It lies east of the Victor Valley, whose population nexus includes Victorville, Apple Valley, and Hesperia.
Lucerne Valley is located 19 miles east of Apple Valley and 20 miles downhill north of Big Bear in the southern reaches of the Mojave Desert. It is surrounded by several mountain ranges which include the Granite mountain range, the Ord mountain range, and the San Bernardino mountain range. The heart of Lucerne Valley is located on the crossroads of State Route 247 (Old Woman Springs Road / Barstow Road) and State Route 18. Yucca Valley lies 45 miles east via Route 247/Old Woman Springs Road.