The longest river in France is the Loire river, which is 1,013
km long.
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Some facts about the Loire River are that it is the longest
river in France. It is 634 miles long. The Loire River starts in
Southeast France and empties into the Bay of Biscay.
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Loire Loire
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Yes. Tours is a large city on the Loire river.
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You answered your own question! Château de la Loire means Castle on the Loire (the Loire river). Since châteauxis the plural form of château, any "Château de la Loire" will be one of many castles that can be found on the Loire river.