Mendoza Winery Tour! Argentina is an agricultural nation, supplying food and beverage products all over the world. The Argentine beverage we're most interested in today is from the fermented grapes of the Uco Valley - WINE! The Uco Valley is in the shadow of the Andes mountains and ranges from 900 to 1700 meters in elevation, with fertile sandy soil it is the perfect environment for growing Malbec, Cabernet Franc, Merlot, Cabernet Sauvignon, Bonarda, Pinot Noir, Chardonnay, Sauvignon Blanc, and