Yes, you can absolutely visit wineries in Tuscany without a formal guided tour, and many travelers prefer this "self-drive" or "self-guided" approach. Many famous estates, such as Antinori nel Chianti Classico or smaller family-run "Agriturismi," allow you to book a private tasting or lunch directly through their websites. However, unlike the "walk-in" culture of Napa Valley, almost all Tuscan wineries require a prior reservation even for a simple tasting. This ensures they have a sommelier available to guide you through the wines. If you are not on a tour, you will need to rent a car, as the most authentic wineries are located deep in the countryside with no public transport access. In 2026, many wineries also offer "self-guided walking or cycling" itineraries through their vineyards, allowing you to explore the vines at your own pace before heading to the cellar for a glass.