[blue_large]Los Carneros AVA[/blue_large]
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| Year established | 1992 |
| Climate | Cool, with prevailing marine winds from the San Pablo Bay and through the Petaluma Gap to the west. High temperatures during summer rarely exceed 80°F (27°C) with less diurnal range variation. |
| Elevation | 15 to 400 ft. (4.6 to124 m) |
| Rainfall | Lowest in Napa Valley: 18 to 24 inches (7.2 to 9.6cm) annually. |
| Soils | Clay dominated, very shallow in general, with more loam and hillside alluvials in the northern section. Yields typically are restrained by the hard claypan subsoil, which prevents deep-rooting. |
| Total Area | 11,000 acres (45 km2) |
| Size of planted vineyards | 1,500 acres (6 km2) |
| Varietals and characteristics | Chardonnay: minerally pear-apple and spice flavors. Merlot: sinewy and lightly herbal, with fine tannins and sleek structure. Pinot Noir: ripe cherry-cinnamon spice flavors with earthy notes. |