Sonoma Valley
Sonoma County AVAs
Sonoma County is one of California’s most diverse wine regions, shaped by ocean fog, mountains, and a wide range of soils. Here are key AVAs, their terroirs, signature grapes, and notable estates.
1. Russian River Valley
Overview: Foggy mornings and cool afternoons make this a benchmark zone for Pinot Noir and Chardonnay.
Terroir and climate:
- Soil: Alluvial and sandy loams, generally well-drained.
- Climate: Coastal fog extends hang time and preserves acidity.
Main wines:
- Pinot Noir: red cherry, strawberry, subtle earth.
- Chardonnay: citrus, green apple, mineral tension.
Notable estates:
- Rochioli Vineyards
- Kistler Vineyards
- Gary Farrell Winery
- Paul Hobbs Winery
2. Alexander Valley
Overview: A warmer inland valley producing generous Cabernet Sauvignon and plush Merlot.
Terroir and climate:
- Soil: Gravelly benches and volcanic influences.
- Climate: Warm days for ripeness; cool nights maintain freshness.
Main wines:
- Cabernet Sauvignon: cassis, blackberry, cedar/spice.
- Merlot: plum, cocoa notes, supple texture.
Notable estates:
- Silver Oak
- Jordan Vineyard & Winery
- Rodney Strong Vineyards
- Francis Ford Coppola Winery
3. Dry Creek Valley
Overview: Classic home of old-vine Zinfandel and bright Sauvignon Blanc.
Terroir and climate:
- Soil: Gravelly loams with excellent drainage.
- Climate: Warm days with cooling evening airflow.
Main wines:
- Zinfandel: black cherry, bramble fruit, peppery spice.
- Sauvignon Blanc: citrus, tropical hints, fresh herbs.
Notable estates:
- Ridge Vineyards
- Quivira Vineyards
- Ferrari-Carano Vineyards
- Pedroncelli Winery
4. Sonoma Coast
Overview: A broad coastal appellation known for high-acid Pinot Noir and Chardonnay.
Terroir and climate:
- Soil: Rocky sites and well-drained slopes in many zones.
- Climate: Ocean fog and cool winds extend the growing season.
Main wines:
- Pinot Noir: bright red fruit, floral lift, fine tannins.
- Chardonnay: citrus, green apple, often creamy yet fresh.
Notable estates:
- Flowers Vineyard & Winery
- Peay Vineyards
- Hirsch Vineyards
- Littorai Wines
5. Sonoma Valley
Overview: Historic core of Sonoma with diverse styles—from structured reds to age-worthy Chardonnay.
Terroir and climate:
- Soil: Volcanic and alluvial influences add depth and structure.
- Climate: Warm days balanced by cool nights and coastal moderation.
Main wines:
- Zinfandel: ripe red fruit, spice.
- Cabernet Sauvignon: black fruit, firm tannins.
Notable estates:
- Buena Vista Winery
- Gundlach Bundschu
- Hanzell Vineyards
- Arrowood Vineyards