The river from here to Miranda do Douro, which narrows as it runs though soaring escarpments, marks the border between Portugal and Spain. Douro cruises can also take you into Spain, to Vega ...
Blue’s clues: Italy has its frescoes; Portugal has its tiles ... Here on the banks of the Côa River—a tributary of the Douro—is the site of thousands of engravings on rock panels, dating ...