mountain
A mountain is an elevated portion of the Earth's crust, generally with steep sides that show significant exposed bedrock. Although definitions vary, a mountain may differ from a plateau in having a limited summit area, and is usually higher t ...
summit
A summit is a point on a surface that is higher in elevation than all points immediately adjacent to it. The topographic terms acme, apex, peak (mountain peak), and zenith are synonymous.
The term (mountain top) is generally used only for ...
on the south of
Lanfair Valley
Lanfair Valley is located in the Mojave Desert in southeastern California near the Nevada state line. The valley is bounded on the north by the New York Mountains and Castle Mountains (California), Castle Mountains, on the east by the Piute Range, ...
in eastern
San Bernardino County, California
San Bernardino County ( ), officially the County of San Bernardino and sometimes abbreviated as S.B. County, is a County (United States), county located in the Southern California, southern portion of the U.S. state of California, and is locat ...