Spring Mountain District AVA to the other Bordelaise grape varieties of Cabernet Franc, Petit Verdot and Malbec, a few sites favor and support small plantings of Zinfandel, Syrah, Petite Sirah and on the coolest sites, even a little Pinot noir. Of the whites over half is Chardonnay. The other significant plantings of white grapes in the AVA are Sauvignon blanc and White Riesling. Early on, the name Spring Mountain was used in a regional context and did not refer to the name of a peak or prominent point, rather than a particularly verdant area with numerous springs, and drained by several small streams. The
Creston District AVA acres with 1,365 planted in vineyards. It lies on an old erosional plateau at the base of the La Panza Range with alluvial terraces and fans of Huerhuero Creek. The area is in elevation. Average annual rainfall is . The district's soils consist of old, well developed terrace and hillside soils; mix of granite and sedimentary rock. The most widely planted varieties in the Creston District AVA are Cabernet Sauvignon, Syrah, Zinfandel, Merlot, Petite Sirah. Creston District AVA Creston District AVA is an American Viticultural Area located in the south east portion of the Paso Robles AVA in San Luis