--> A particularly placid section of the River Douro as it flows towards Porto. The boat is a barco rabelos one of the boats used to bring the wine down the river from the Upper Douro Posted by Travel in Portugal on Sat, 21/12/2013 - 21:16 × Related images North Pier - Barra do Douro - Porto Foz do Douro Pier and Lighthouse Porto - Houses behind the Ribeira Rua de Belomonte Porto Ribeira view from Gaia Torre dos Clérigos detail