What: “September 10th is Port Wine Day, with a programme involving winemakers and oenologists, wine cellars, local restaurants and bars, historic train and rabelo boats, international guests and the general public. Port Wine Day, extends to the Douro Valley, Porto, Vila Nova de Gaia and Matosinhos with restaurants and bars routes.”

Where: Several places10

When: September 10 2017

For more information: http://visitporto.travel/Agenda/Paginas/DetalheEvento.aspx?Evento=11413

Imagem taken from here.