Welcome to Mountain Valley Winery, Tennessee's largest winery. Mountain Valley Winery is open to the public without charge. A tour of the facility gives you insight into the skill and dedication required to produce award-winning wines -- from the moment the grape is picked until the bottle is corked. The tasting bar allows you ample time to sample the varieties and make your choices to take home. Hours vary by season so be sure to call ahead or check the website for times.