Contact To schedule a tour and tasting, purchase wine, or if you have any further questions please contact us. You can also taste and purchase wines at Mayo Family Winery located at 13101 Arnold Drive, Glen Ellen Your Name (required) Your Email (required) Subject Your Message Berthoud Winery1265 Craig AvenueSonoma, CA 95476 t: 707.938.1482f: 707.933.0708e: info@berthoudwinery.com