In the wine country, appellations are assigned to distinct growing regions whose micro-climates determine how slowly or quickly its grapes ripen, which in turn effects taste and feel of the wines. Appellation comes from the word "appelle" meaning 'name' in French.

Over sixty-seven wineries in the Sonoma Valley Wine Country grow grapes in one of the three official regions, or appellations: Carneros, Sonoma Valley and Sonoma Mountain. Most wineries are open to the public on a daily basis. Some though require appointments. See our Winery Directory for contact information.

Carneros Appelation
The southern entrance to Sonoma Valley begins with wetlands flush against the north edge of the San Francisco Bay. The cool sea breezes are perfect for slow ripening grapes and the full-bodied, distinct fruit flavors of Pinot Noir and Chardonnays. Some Merlots are grown in the warmer areas.

Sonoma Valley Appelation
Full-bodied Cabernet Sauvignon and Merlot vineyards grow on the warm valley floor. Crisp Chardonnay and Pinot Noirs blanket the cooler areas. On the coolest hillsides, fruity and spicy Zinfandel thrives.

Sonoma Mountain Appelation
The long ripening season on the slopes of Sonoma Mountain give rise to intensely flavorful Cabernet Sauvignons. Areas with more sun are home to some Chardonnay and Pinot Noir, which ripen earlier.