Estate vineyards. Estate vineyards & certified sustainable. As pioneers of wine grape growing in the Walla Walla Valley, Pepper Bridge Winery is known for producing supple, balanced wines which consistently showcase the authentic nuances of this acclaimed region. Gravity-flow winery, handpicked grapes. www.peppebridge.com. Alc. 14.7% by vol. Produced & bottled by Pepper Bridge Winery Walla Walla, WA 99362.