[blue_large]Spring Mountain AVA[/blue_large]
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| Year established | 1992 |
| Climate | Similar to Mt. Veeder AVA, with cool weather prevailing and smaller diurnal changes. Fairly cool nights and higher elevations help maintain good acidity. |
| Elevation | 600 to 2200 ft (184 to 675m). |
| Rainfall | 40 to 50 inches (125cm) annually. |
| Soils | Primarily sedimentary; weathered sandstone/shale, loamy and friable in texture. Drainage is high, fertility low. |
| Total Area | 11,000 acres (45 km2) |
| Size of planted vineyards | 1,500 acres (6 km2) |
| Varietals/characteristics | Cabernet Sauvignon, Merlot, Zinfandel: Powerful, firm, blackberry-currant flavors and often richly tannic, with excellent acidity for aging. Chardonnay, Viognier: Sinewy, firm and not as fruity as those of the valley floor, revealing more citrus and stone fruit flavors. |