What is the longest river in France?

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The Loire is the longest river in France.

It runs for about 1,006 kilometers, rising near Mont Gerbier de Jonc in the Massif Central and flowing west to the Atlantic Ocean. Its estuary reaches the coast near Saint-Nazaire, making the Loire the longest river whose course lies entirely within France.

The river passes through or near major cities including Orléans, Tours, Angers, Nantes, and Saint-Nazaire. Its valley is famous for historic castles, vineyards, fertile farmland, and landscapes recognized by UNESCO as a World Heritage cultural site between Sully-sur-Loire and Chalonnes.

The Rhône can cause confusion because it is a major French river and carries more water, but much of its course lies outside France and it is shorter within the country. The Seine is best known for flowing through Paris, while the Garonne forms part of the Franco-Spanish drainage system and joins the Dordogne to create the Gironde estuary.

Source: Wikipedia · fact-checked Sept. 2026

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