Participants must be at least 21 years old and have a valid I.D. Six tastings will be provided during the tour, which is the equivalent of 2-4 glasses of wine. If you're running late, please call 855.455.8747, ext. 3 Tour length is two hours, 15 minutes. Tours take place rain or shine. For answers to frequently asked questions about City Wine Tours, visit the City Wine Tours website.