See and taste the best of portugals douro valley on this guided tour from porto the douro valley is a magnificent region classified as a unesco world heritage site and known for the production of its famous port wine choose from lunch in a local winery a picnic in the vineyards or lunch at a doc restaurant run by a top chef of the area take a rabelo cruise in the heart of the douro valley on a traditional boat used for centuries to transport port wine to the cellars in vila nova de gaia a