California Wine Maps – California dominates U.S. wine production, producing over 84 percent of the nation’s annual output, according to data from World Population Review. That’s 680.3 million gallons a year from . If you’ve ever wondered whether it’s possible to visit a wine region without cracking open a bottle or two, the answer is a resounding yes! Here’s how. .










California Wine Maps California Map of Vineyards Wine Regions: In recent years, celebrities have been making waves in the winemaking industry, with many infusing their personal brand and star power into their . Wine expert Ray Isle draws upon two decades of visiting California’s Napa Valley for a guide to the popular region. .