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    Uncorking Japan's Yamanashi wine country
    Two hours west of Tokyo, Yamanashi prefecture produces Japan's best wines, many made with the aromatic Koshu grape. Join us on a tasting tour of this under-the-radar wine country
    Vineyard in Koshu Valley, Japan
    Credit: Shosei/Aflo/Getty Images
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    Koshu Valley Japan

    Credit: Koshu Valley

    Chateau Mercian Winery, Japan

    Credit: Chateau Mercian

    Chateau Mercian Winery, Japan

    Credit: Chateau Mercian

    MGVs in Koshu Vally, Japan

    Credit: Koshu Valley

    Marufuji Winery in Koshu Valley, Japan

    Credit: Koshu Valley

    Chateau Mercian Vineyard, Japan

    Credit: Chateau Mercian

    Grace wine in Koshu Valley, Japan

    Credit: Koshu Valley

    Fufu Kawaguchiko Japan

    Credit: Stirling Elmendorf