Douro

General data
- Water type: River
- Progression: Atlantic Ocean -> Planet Earth
- Climates: Subtropical
- Continents: Europe
- Countries: Portugal, Spain
Description
The Douro is the highest-flow river of the Iberian Peninsula. It rises near Duruelo de la Sierra in Soria Province, central Spain, meanders south briefly then flows generally west through the north-west part of central Spain and into northern Portugal, to its mouth at Porto, the second largest city of Portugal. At its mouth it meets the Atlantic Ocean.