San Ramon (Spanish: San Ramón; Spanish for ‘”Saint Raymond”‘) is a city in Contra Costa County, California, United States, located within the San Ramon Valley, and 34 miles east of San Francisco. San Ramon’s population was estimated as 75,995 in 2019 by the US Census Bureau, making it the 4th largest city in Contra Costa County, behind Richmond, Concord and Antioch. San Ramon is home to the headquarters of Chevron Corporation, 24 Hour Fitness, the West Coast headquarters of AT&T, the Global Software Center of General Electric, as well as the San Ramon Medical Center. Major annual events include the Art and Wind Festival on Memorial Day weekend and the Run for Education in October.
San Ramon is adjacent to Danville, California, to the north and Dublin, California, to the south. Unincorporated county lands border San Ramon to the east and west. It is located around 500 feet (150 m) above sea level. Mount Diablo flanks the city to the northeast and is prominently visible from almost all parts of the city. The Las Trampas Regional Wilderness borders San Ramon’s extreme northwest, at the northern end of Bollinger Canyon. The smaller Bishop Ranch Regional Preserve straddles San Ramon’s western border, located approximately between Interstate 680 and the Alameda County line. The topography of San Ramon is varied, featuring a mix of the rolling hills of the Diablo Range and the flatter basin of the San Ramon Valley.
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