When packing for a trip to Porto, don't forget the essentials like your visa, passport, chargers, camera, some euro and the correct power adaptor. Clothing wise, check out the seasonality guides and pack to suit the conditions - aka some layers for winter and lighter options for summer. Other necessities include a walking shoes, hat, sunglasses and a healthy appetite for custard. Lactose intolerant? Pack those pills, my friend, these treats are worth it.