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Created page with "==Geographical Overview== The Mondego River, known in Portuguese as Rio Mondego, is the longest river entirely within Portuguese territory. It originates in the Serra da Estrela, the highest mountain range in mainland Portugal, and flows for approximately 234 kilometers before emptying into the Atlantic Ocean near the city of Figueira da Foz. The river's basin covers an area of about 6,670 square kilometers, making it a significant hydrological feature in the region. <..."