St Helena Wineries 2805 Spring Mountain Rd Spring Mountain Vineyard, a Napa Valley California winery and vitner, making red wine Cabernet Sauvignon, and white wine Sauvignon Blanc, since 1873 St Helena CA Wineries Spring Mountain Vineyard www.springmtn.com Spring Mountain Vineyard wines Napa Valley tour winery vineyard red wine winemaking Cabernet Sauvignon Sauvignon Blanc Spring Mountain Vineyard wines Napa Valley tour winery vineyard red wine winemaking Cabernet Sauvignon Sauvignon Blanc Business Reviews Spring Mountain Vineyard Testimonials