Alexander Valley, Sonoma Mountain, Moon Mountain and Knights Valley contribute to the lot of some of California’s top-rated Cabernet Sauvignon. Napa’s closest neighbor, Sonoma County, does an impressive job keeping up with Napa’s fame and glory. At this point the two are so intrinsically linked that it is difficult to discuss one without the other. While Cabernet is successful throughout the world, rarely has it achieved such merit as it does from the Napa Valley. The state’s diverse terrain and microclimates, as well as the freedom of its winemakers, allow for an incredible range of wine styles from this single grape.Ĭalifornia’s most famous region-and especially for Cabernet Sauvignon-is the acclaimed Napa Valley. Covering the most vine acreage in the state compared to any other red wine variety, Cabernet Sauvignon produces as much wine in California as Merlot and Pinot Noir combined.