Crossword clues for the word: TAGUS The word TAGUS has appeared as an answer to at least 11 crossword clues on different crossword puzzles. Crossword clues for TAGUS Showing 1 to 11 of 11 results Clue(s) A river to label American Capsized: by a gust in the river Iberian river Lisbon is located at its mouth Lisbon's river Longest river on the Iberian Peninsula Portuguese river River of Iberian Peninsula. River one could label American? River that flows to the Atlantic at Lisbon, Portugal Toledo's river.