Altamont is an

unincorporated community An unincorporated area is a parcel of land that is not governed by a local general-purpose municipal corporation. (At p. 178.) They may be governed or serviced by an encompassing unit (such as a county) or another branch of the state (such as th ...

Alameda County Alameda County ( ) is a county located in the U.S. state of California. As of the 2020 census, the population was 1,682,353, making it the 7th-most populous county in the state and 21st most populous nationally. The county seat is Oakland. A ...

California California () is a U.S. state, state in the Western United States that lies on the West Coast of the United States, Pacific Coast. It borders Oregon to the north, Nevada and Arizona to the east, and shares Mexico–United States border, an ...

. It is located northeast of Livermore, at an elevation of in the

Altamont Pass Altamont Pass, formerly Livermore Pass, is a low mountain pass in the Diablo Range of Northern California between Livermore in the Livermore Valley and Tracy in the San Joaquin Valley. The name is actually applied to two distinct but nea ...

. Originally called The Summit, the name was changed to Altamont when the

Central Pacific Railroad The Central Pacific Railroad (CPRR) was a rail company chartered by U.S. Congress in 1862 to build a railroad eastwards from Sacramento, California, to complete most of the western part of the "First transcontinental railroad" in North Americ ...

arrived in 1869.

History

Altamont is derived from its former name Alta Monte (Spanish for "High Mountain"). The community was also briefly known as The Summit. A post office operated at Altamont from 1872 to 1955.

References

Unincorporated communities in California Unincorporated communities in Alameda County, California {{AlamedaCountyCA-geo-stub