80% Zinfandel, 10% Petite Sirah, 5% Carignane, 5% Grenache "Three Valleys" is the proprietary name for the only Ridge wine blended from multiple vineyard sites. They select softer, more accessible lots from their single vineyards and, taking the role of winemaker literally, create a character they find most appealing. Younger vines from Lytton Estate provided most of the fruit; older vines on five small Alexander Valley vineyards and one Russian River vineyard make up the rest. The grapes ferm...