One of the five winegrowing regions in California
(also Southern Area). The less vitiated region lies between the two cities of Los Angeles in the north and San Diego on the Mexican border in the south. It includes the subtropical counties south of the Tehachapi Mountains. There are the region-wide AVA South Coast
for wines from grapes of several counties. The counties with their AVA areas are Los Angeles County
(with the single vineyard Malibu-Newton Canyon defined as the appellation); Riverside County
( Cucamonga Valley
, Temecula); San Bernardino County
(Cucamonga Valley) and San Diego County
(Ramona Valley, San Pasqual Valley).