Typical operating hours for wine bars in Barcelona vary, but many open around midday (12 pm) or early afternoon and close late in the evening, around 11 pm or midnight. Some wine bars may also close for a few hours in the afternoon for siesta. Reservations are generally not required for most wine bars, as they tend to have a casual and relaxed atmosphere. However, it is a good idea to check the specific wine bar's policy or make a reservation if you're planning to visit a popular or upscale establishment, especially during peak hours or weekends. We've included contact information for all of the Barcelona wine bars mentioned in this travel guide.