It is part of the larger Santa Clara Valley AVA and is located in the foothills of the Diablo Range .
The San Ysidro District AVA is an American Viticultural Area located in Santa Clara County , California .
San Ysidro District AVA is part of the larger Santa Clara Valley AVA and is located in the foothills of the Diablo Range .
The San Ysidro District AVA is an American Viticultural Area located in Santa Clara County , California .