Gros Ventre is a boutique winery producing premium Pinot Noir from unique terroirs along the true Sonoma Coast, Anderson Valley, and Russian River Valley. First vintage: 2009 Gros· Ventre (grō′ vänt′) [French, big belly] 1. n. term of endearment for the pregnant belly of the winemaker's wife during GV's first vintage 2. n. place. wilderness area near Jackson Hole where the winemaker met his wife