Serra do Pilar is a famous elevated area overlooking the Douro River, where there is the Serra do Pilar Monastery, whose construction began in 1538 and which for many years turned into barracks, and is currently classified as a UNESCO World Heritage Site, and today this area is one of the most important tourist attractions in The city of Porto, it occupies a dominant position with beautiful views of the Douro River and the historic center of Ribeira and Porto.