On the southern edge of Walla Walla Valley is the 21-acre Seven Hills Founding Vineyards Merlot planted by the McClellan’s in the 1980’s. This Merlot is planted at 1,000 feet of elevation in sub-soils of deep, silt loam. The Founding Vineyards is one of the first vineyards of Merlot and Cabernet Sa…