Rio Douro is one of the major rivers of the Iberean Penisula , beging in Spain in the province of Soria. It is the third longest river in the Iberean Penisula , with a total lengh of 897 km. The Douro River is the region thats marked by the oldest wine.

UNESCO included on December 14,2001 the upper Douro for its wine Region in the list of places that are considered heritage and humanity , in the category for cultural and natural landscape.