--> One of the converted traditional port boats that are now used for the six bridge tours - i.e. they run down the river Douro to the Arrabida bridge near Foz and up the river as far as the Freixa bridge Posted by Travel in Portugal on Sat, 21/12/2013 - 21:17 × Related images The Ribeira - Porto Porto's Ribeira Panoramic View of Porto's Ribeira at Night Central Porto Castelo do Queijo detail - Porto View across the Douro to Porto