Today there are over 800 wineries in Washington State. Take the advice of someone who has been buying Washington wine since there were only 20 wineries here: There is one resource to answer all your questions, whether you're a novice or wine geek, at www.washingtonwine.org. A word of caution, you could lose an entire afternoon wandering around this fascinating web site. Planning a trip to wine country? This site provides maps of hundreds of wineries, vineyards, tasting rooms as well as hours of operation.