+The Tagus, the longest river on the [Iberian Peninsula](/wiki/Iberian_Peninsula), originates in central [Spain](/wiki/Spain) and flows westward across Portugal to the Atlantic. Its ancient waters have shaped landscapes and cultures, nurturing vibrant ecosystems and historic cities like Lisbon.
+## See also
+- [River](/wiki/River)
+- [Portugal](/wiki/Portugal)
+- [Lisbon](/wiki/Lisbon)
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