Tagus
Tagus (Latin Tagus, Spanish Tajo, Portuguese Tejo) is the largest river on the Iberian Peninsula. It measures 1,008 kilometers in length, 910km of which are in Spain, the rest in Portugal.
The source of the Tagus is the Fuente de GarcÃÂÃÂa, in the AlbarracÃÂÃÂn mountains. It ends in the Atlantic Ocean by Lisbon.