- Where is Truchon located?
- Truchon is in Napa Valley, United States (3234 Old Sonoma Rd, Napa, CA 94559, History: Proprietors Tony and Jo Ann Truchard have been farming the land for nearly 50 years. They pioneered grape growing in the Carneros region and started producing estate-bottled wines in 1989., The Estate: A 414-acre contiguous property with highly diverse soils (clay, shale, volcanic rock, and ash) that allow them to successfully grow over 12 different grape varieties, including Pinot Noir, Chardonnay, Cabernet Sauvignon, and Syrah).