 More than three-quarters of the area's production is in red wine grapes—particularly Merlot, Cabernet Sauvignon and Syrah.As of 2007, more than 50 wineries purchased grapes from the Wahluke Slope, with many of them featuring the AVA or one of its 20 vineyards on wine labels.In April 2009 the Lake Chelan AVA, located around Lake Chelan in the Columbia Valley was approved as an American Viticultural Area.