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 all around, and the architecturally acclaimed Millau viaduct. It is also a major centre for outdoor sporting activity. Traditional arms of the city of Millau "Gold with four pallets gules, a chief azure three gold fleurs-de-lis. " It has always been the arms of the Crown of Aragon since 1187, but since 1271 surmounted with the leader of France (Azure three fleurs de lys) indicating that this is a good town, that is, i.e. a commune reporting directly to the king. The city itself is administered through elected consuls - like Toulouse and its sheriffs - while the king was