The Ramona Valley

The Ramona Valley AVA is an American Viticultural Area located 28 miles northeast of the city of San Diego in San Diego County, California, centered on the community of Ramona. It was designated the 162nd American Viticultural Area in January, 2006 by the United States Department of the Treasury Alcohol and Tobacco Tax and Trade Bureau, which recognized the area for its distinctive microclimate, elevation, and soil attributes. Approximately 89,000 acres in area, it is 14.5 miles long and 9.5 miles wide. Geographically, the Ramona Valley is described as being a broad, flat valley ringed by hills and mountains that isolate it from the surrounding areas. The valley has an average vineyard elevation of 1,400 feet and an annual average rainfall of 16.5 inches.

Source: Wikipedia