GEOGRAPHY THROUGH MAPS

Douro River

The Douro, called Duero in Spain, crosses the northern Iberian plateau toward Porto and the Atlantic. It provides a second clear example of westward Iberian drainage.

Fast Facts

  • Source: Sierra de Urbión in Spain; course west across Spain and Portugal, with a border reach; mouth: Atlantic at Porto.
  • Facing downstream, the Pisuerga and Esla join from the right; the Tormes joins from the left.
  • The Portuguese valley is associated with terraced vineyards; Porto lies near its Atlantic mouth.
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Part of Visualize CSE, an interactive geography atlas for UPSC Civil Services (IAS) preparation.