San Joaquin Valley

southern part of the Central Valley in California, United States

The San Joaquin Valley (/ˌsæn hwɑːˈkn/ SAN whah-KEEN) is the area of the Central Valley of the U.S. state of California that lies south of the Sacramento–San Joaquin River Delta and is drained by the San Joaquin River.

It is made up of seven Northern California counties—all of Kings County; a majority of Fresno, Merced, Stanislaus counties; segments of Madera and Tulare counties—and a majority of Kern County, in Southern California.[1]


  1. "San Joaquin Valley Fact Sheet". Valley Clean Air Now. Archived from the original on October 22, 2014. Retrieved October 18, 2014. Seven counties comprise the San Joaquin Valley, including all of Kings County, most of Fresno, Kern, Merced, and Stanislaus counties, and portions of Madera, San Luis Obispo, Tulare counties