One of the largest and historically most important winegrowing areas California (Region North Coast ). It is divided into partly overlapping AVA's and sub-AVA's. Without going into the hierarchical order, these are in alphabetical order Alexander Valley, Alexander Mountain, Bennett Valley, Chalk Hill, Dry Creek Valley, Knights Valley, Los Carneros, Northern Sonoma, Rock Pile, Russian River Valley, Sonoma Coast, Sonoma County Green Valley, Sonoma Mountain and Sonoma Valley. An overall AVA name does not exist. The area extends north of San Francisco between Napa County and the Pacific. The climatic conditions range from warm in the north (climate region III) to cool due to the Pacific in the south (I). The diverse soils consist of clay, silty soils, lime and volcanic soil.
The vineyards cover about 23,000 hectares of vineyards on flat or gently rolling terrain at an average altitude of 120 meters. The most important varieties are Cabernet Sauvignon. Chardonnay. Merlot. Pinot Noir. Syrah. Zinfandel. Gewurztraminer. Chenin Blanc. Riesling and Sauvignon Blanc, There are half red and white wines produced. From the Sonoma Valley went out the People's Survey, which led in 1856 to the separation of Alta California from Mexico and 1850 for incorporation into the United States. Before that, General Mariano Vallejo (1808-1890) had been the last Mexican governor to run a winery and was the first great wine grower. And the famous viticultural pioneer Agoston Haraszthy (1812-1869) founded his own here Buena Vista Winery,
The Miwok Indians called the Sonoma Valley "Valley of the many moons" as the moon rose seven times as they crossed the valley and the Mayacama mountains. It runs parallel to the eastern "eternal competitor" Napa Valley, The valley is bounded on both sides by steep mountains. Due to the special climatic conditions, it is an excellent red wine area. The most important grape varieties are Cabernet Sauvignon and Zinfandel. Until the 1970s, mainly simple wines were produced for blending mass wines. Then there was starting from the winery Simi a great quality boost. In 1970 there were only 60 wineries, today there are over 200. Next to the Napa Valley, it is considered the center of Californian viticulture.
The writer Jack London (1876-1916) ran a ranch near Glen Ellen in Sonoma County. Today, his former estate is federally administered and used for grape growing. He made a declaration of love over the area as follows: The air is like wine. Scatters of sea fog over the Sonoma Mountains. The afternoon sun glows in the sleepy sky. I have everything to be happy. Well-known producers are Buena Vista Winery. Bronco Wine Company. Clos du Bois. Cobb Wines. Gallo. Gundlach-Bundschu. Francis Ford Coppola Winery. Hanzell. Iron Horse. Jordan. Kendall-Jackson. Kenwood. Korbel. Louis M. Martini. Marimar Estate ( Torres ) Rafanelli. Ravenswood. Ridge Vineyards. Sebastiani. Simi and Williams Selyem.