| Wine region | |
 Shiloh Hill Vineyard in the Chalk Hill AVA | |
| Type | American Viticultural Area |
|---|---|
| Year established | 1983, amended in 1988[1] |
| Country | United States |
| Part of | California, North Coast AVA, Northern Sonoma AVA, Russian River Valley AVA, Sonoma Coast AVA, Sonoma County |
| Soil conditions | Volcanic |
| Size of planted vineyards | 1,000 acres (4 km2)[2] |
| Grapes produced | Cabernet Sauvignon, Chardonnay, Malbec, Merlot, Petit Verdot, Pinot gris, Sangiovese, Sauvignon blanc, Sauvignon gris, Semillon, Syrah, Zinfandel[2] |
The Chalk Hill AVA is an American Viticultural Area (AVA) located in Sonoma County, California. The boundaries of the wine appellation cover the northeast corner of the Russian River Valley AVA. The majority of vineyards are located to the east of U.S. Route 101, near the town of Windsor. The name Chalk Hill comes from the unique volcanic soil of chalky white ash which has shown itself to perform well with planting of white wine varietals like Chardonnay and Sauvignon blanc. The majority of the region's wineries are located on the western slopes of the Mayacamas Mountains.[2]
- ^ "§ 9.52 Chalk Hill" (Title 27: Alcohol, Tobacco and Firearms; Part 9 — American Viticultural Areas; Subpart C — Approved American Viticultural Areas). Code of Federal Regulations. Retrieved January 4, 2008.
- ^ a b c "Chalk Hill (AVA): Appellation Description". Appellation America. 2008. Archived from the original on February 11, 2009. Retrieved January 4, 2008.
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