© All Rights Reserved 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 bridgeRelated images Old Window - Entre Quintas - Porto Porto Street Episcopal Palace in Porto Porto - City Centre Block Igreja de Sao Francisco - Porto Crestuma / Lever Dam - River Douro