The mountainous state dominated by the Rocky Montains with the capital Helena is located in the northwest of the United States, There is none as AVA defined area. Due to the climatic adverse circumstances such as cold air and blizzards and the relatively short growing season are mainly French hybrids and American vines grown. That's among other things La Crosse. Frontenac. Léon Millot. Maréchal Foch. St. Croix. St. Pepin and Swenson Red, International varieties are Cabernet Sauvignon. Chardonnay. Merlot. Pinot Noir. Riesling and Sauvignon Blanc, In addition, grapes are also from California. Oregon and Washington processed. Well-known winemakers include Lolo Peak Winery and Mission Mountain Winery.