Sanvins Monastery is located in the northern part of the province of Viana do Castelo, its first buildings date back to 604 AD, and its religious architecture is one of the most prominent examples of the Romanesque period in Portugal, and it has been classified as a national monument since 1910, surrounded by a huge oak forest on 200 meters high, it enjoys sweeping and sweeping views of the Minho River Valley and the surrounding landscape.