Sonoma County, located in Northern California, is a renowned wine region known for the diversity of its terroirs and grape varieties. With 19 wine appellations (AVAs), it offers a wide range of wine styles, from fresh whites to powerful reds.

Geography and Climate

Sonoma County spans approximately 6,000 square kilometers, with varied landscapes ranging from coastal regions to mountainous areas. The climate is influenced by the Pacific Ocean, bringing cool breezes and fog, especially in coastal areas. This climatic diversity allows for the cultivation of a wide range of grape varieties.

Notable AVAs of Sonoma County

Here are some of the most notable AVAs of Sonoma County:

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• Sonoma Valley: Known as the birthplace of California's commercial wine industry, this valley is famous for its Chardonnay, Cabernet Sauvignon, and Zinfandel.
  
• Russian River Valley: Renowned for its Pinot Noir and Chardonnay, benefiting from a cool climate ideal for these grape varieties.
  
• Dry Creek Valley: Specializes in Zinfandel, with excellent Sauvignon Blanc and Syrah also produced.
  
• Alexander Valley: Ideal for Cabernet Sauvignon, also producing excellent Merlot and Chardonnay.
  
• Sonoma Coast: This coastal AVA is renowned for its Pinot Noir and Chardonnay, thanks to its cool and foggy climate.
  
• Knights Valley: Located north of Sonoma, it is known for its Cabernet Sauvignon and Merlot.
  
• Rockpile: Situated at high altitude, this AVA produces intense Zinfandel and Petite Sirah.
  
• Fort Ross-Seaview: Located by the sea, this AVA is ideal for Pinot Noir and Chardonnay.
  
• Pine Mountain-Cloverdale Peak: Known for its Cabernet Sauvignon and Zinfandel from its mountainous terroir.
  
• Bennett Valley: A small AVA specializing in Pinot Noir, Chardonnay, and Syrah.
  
• Green Valley of Russian River Valley: Renowned for its high-quality Pinot Noir and Chardonnay.
  
• Moon Mountain: Located on the slopes of Mount Veeder, this AVA produces excellent Cabernet Sauvignon and Zinfandel.
  
• Chalk Hill: Famous for its uniquely profiled Chardonnay and Sauvignon Blanc.
  
• Fountaingrove District: An emerging AVA recognized for its Cabernet Sauvignon and Zinfandel.
  
• Sonoma Mountain: Ideal for Pinot Noir and Chardonnay, producing elegant wines.
  
• West Sonoma Coast: Known for its Pinot Noir and Chardonnay in the Burgundy style.
  
• Carneros: Shared with Napa County, this region is perfect for Pinot Noir and Chardonnay.
  

The climatic and geographical diversity of Sonoma County makes it a dynamic and highly respected wine region.