Altamont, California

Altamont: Situated in eastern Alameda County at an elevation of 738 feet, this area serves as a key pass through the Diablo Range connecting the San Francisco Bay Area with the Central Valley.

About

Altamont is a city located in the county of Alameda in the U.S. state of California.

Quick Facts about Altamont

State California (United States)
County Alameda County
Latitude & Longitude 37.7438,-121.6627
Time Zone America/Los_Angeles
Local time 18:29:37 (6th November 2026)
Weather 46℉ Mostly Clear then Patchy Fog 7-days weather

Geography

Altamont is located at 37°44'38"N 121°39'46"W (37.7438200, -121.6627300).

Altamont map

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Weather

46°F
Mostly Clear then Patchy Fog
3 mph WSW Tonight

Patchy fog after 2am. Mostly clear, with a low around 46. West southwest wind around 3 mph.

7-Day Forecast
The Summit

Nearby Schools and Colleges

Schools and campuses linked to Altamont, CA. Select a name to open its map and contact details.

Code Name City ZIP
366401 Las Positas College Livermore (CA) 94551-7650

Nearby Transit Stations (50)

Rail and bus stations connected to Altamont, CA. Select a station to open its map and address details.

Code Name Address Type
VAS Livermore, CA 575 South Vasco Road RAIL
LIV Livermore, California 2500 Railroad Avenue BUS
TRA Tracy, California 725 West Clover Road BUS
DBP Dublin-Pleasanton, California 5801 Owens Drive BUS
TRC Tracy, CA 4800 Tracy Boulevard RAIL

Closest post offices linked to Altamont.

Post Office Name City ZIP
Livermore Annex Post Office Livermore (CA) 94550

Other places with the same name (3)

  • Altamont, Illinois City in Effingham County, Illinois, United States. with a population of 2,350 people.
  • Altamont, New York village in New York, United States. with a population of 1,657 people.
  • Altamont, Tennessee city in Grundy County, Tennessee, United States of America. with a population of 1,055 people.

Other cities in Alameda County

Cities, towns, neighborhoods & other populated places in Alameda County , CA. (more)

City Name Population Title
Oakland 424,891 The third most populous city in California, Oakland is a major center for business, manufacturing, and culture.
Fremont 234,569 The fifth most populous city in California.
Hayward 157,966 The seventh most populous city in Alameda County, California.
Berkeley 122,726 The fourth most populous city in Alameda County, California.
Livermore 91,617 A city in Alameda County, California.
San Leandro 89,161 A city in Alameda County, California.
Pleasanton 80,247 A city in Alameda County, California.
Alameda 78,841 A city in Alameda County, California.
Union City 74,107 A city in Placer County, California.
Dublin 66,936 The most populous city in Alameda County, California.
Castro Valley 61,388 A city in Alameda County, California.
Newark 49,699 A city in Alameda County, California.
Ashland 21,925 City in Boyd County, Kentucky, United States
Albany 20,031 City in Alameda County, California, United States
Cherryland 14,728 Census designated place
Emeryville 11,875 City in the United States state of California