Tarn (river) a mean flow of approximately . The Millau Viaduct spans the valley of the Tarn near Millau, and is now one of the area's most popular attractions. The tributaries of the Tarn include: The Tarn separates the Narbonne and Aquitaine basins. The Tarn passes through the following departments and towns: The Millau Viaduct, the tallest bridge in the world, carrying the A75 autoroute across the Tarn Gorge near Millau, opened in December 2004. The Tarn is famous for its brutal floodings, which are the most dangerous in Europe along with the Danube. The flooding of March 1930 saw the Tarn
Millau the Viscount of Millau. In 1187, the King of Aragon grants him the seal and communal freedom of Provence by Consular Charter. A consulate was thus created, and was responsible for administering the city to raise taxes and to apply justice. In 1271, Millau passed to the crown of the kings of France. In 1361, during the Hundred Years War, the city came under English rule. The return to peace in the fifteenth century gave the city a boost. It is Louis XI which connects Millau to the crown in 1476 by letters patent. In the Middle Ages the town