In the United States, 90% of the wine production is concentrated in California alone. It is in California you will find the largest vineyards, by their size but also by their reputation. The Sonoma valley, but especially the Napa Valley, is home to a number of wonders, and there are many French and Bordeaux owners who lead the Hugh Domains: The mythical Opus-One belongs to Robert Mondavi and the Barone Rothschild, the Tesseron family( Château Pontet Canet) has just purchased a property. There is alsoFrancis Ford Copola, or the Newton Vineyard, owned by the LVMH Group. The remaining 10% of US wine production is concentrated betweenOregon, Washington State and New York State.