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| Wine region | |
 Above the Napa Valley | |
| Type | American Viticultural Area |
|---|---|
| Year established | 1993[1] |
| Country | United States |
| Part of | Napa Valley AVA |
| Other regions in Napa Valley AVA | Atlas Peak AVA, Calistoga AVA, Chiles Valley AVA, Diamond Mountain District AVA, Howell Mountain AVA, Los Carneros AVA, Mt. Veeder AVA, Coombsville AVA Oak Knoll District of Napa Valley AVA, Oakville AVA, Rutherford AVA, St. Helena AVA, Stags Leap District AVA, Wild Horse Valley AVA, Yountville AVA |
| Total area | 8,600 acres (35 km2)[2] |
| Varietals produced | Cabernet Sauvignon, Merlot, Cabernet Franc, Zinfandel, Petit Verdot, Syrah, Petite Sirah, Pinot noir, Chardonnay, Sauvignon blanc, Riesling |
The Spring Mountain District AVA is an American Viticultural Area located in the Napa Valley AVA in California. Spring Mountain District AVA was officially established as an American Viticulture Area in 1993. Encompassed within its bounds are about 8,600 acres (3,480 ha), of which about 1,000 acres (400 ha) are planted to vineyards. Given the small crop yields on hillsides, the region represents less than 2% of Napa Valley wine. Currently the region has just over 30 winegrowers.[citation needed]
The appellation sits on steep terraces of the Mayacamas Mountains that separate Napa Valley from Sonoma Valley and the Santa Rosa Plain. It lies in a northwestern portion of the Napa Valley above and behind the town of Saint Helena. The boundaries of the appellation extend from the top of the ridgeline on the western edge, tracing the Sonoma/Napa County border. From the ridgeline the boundaries extend down to the 400 feet (122 m) contour line at the eastern base of the hillside. The southern boundary is Sulphur Creek and one of its tributaries, while the northern boundary is Ritchie Creek.[1]
Elevations range from 400 feet (122 m) to 2,600 feet (792 m). The region has a predominantly eastern exposure.[citation needed]
- ^ a b "§ 9.143 Spring Mountain District" (Title 27: Alcohol, Tobacco and Firearms; Part 9 — American Viticultural Areas; Subpart C — Approved American Viticultural Areas). Code of Federal Regulations. Retrieved October 30, 2007.
- ^ "Spring Mountain District (AVA): Appellation Profile". Appellation America. 2007. Archived from the original on July 18, 2008. Retrieved October 31, 2007.