In an effort to discover the effect of altitude on grapevines, two wineries in Argentina's Salta province are vying for the title of world's highest vineyard. Donald Hess, founder of Napa Valley's Hess Collection winery, claims that his 5-acre test vineyard at El Arenal—one of his three projects in the Andes—has the highest vines, at 9,892 feet.
For the full article, check out the new issue of Wine Spectator, on newsstands May 31, 2004.
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