EuroVelo 6 (EV6), named the "Rivers Route", is a EuroVelo long-distance cycling route that runs along some of Europe's major rivers, including much of the Loire, some of the Saône, a short section of the upper Rhine and almost the entire length of Europe’s second longest river, the Danube — from the Atlantic coast of France to the city of Constanța on the Black Sea. The EV6 traverses ten countries, from the mouth of the Loire eastward along that river to the Saône, across the border to Switzerland, along the Rhine to Lake Constance, north into Germany, down the Danube and through Austria, Slovakia, Hungary, Serbia, Croatia, Bulgaria, and Romania to the Danube Delta, before terminating at Constanța on the Black Sea. The EV6 includes the Danube Cycleway (:de:Donauradweg), the most popular holiday cycle route in Europe. This section stretches from Donaueschingen to Passau in Germany, through Austria to Vienna, and continues on to Bratislava in Slovakia, to Novi Sad and Belgrade in Serbia, before continuing on towards the Danube Delta. Route France Loire The EV6 runs from Saint-Brevin-les-Pins, at the mouth of the Loire on the Atlantic coast of France, to Nantes, Tours, Blois and travels along the river eastward to Orléans and Nevers before leaving the Loire at Digoin for the Canal du Centre. This section of the EV6 encompasses the French bike route . Loire to Basel From the Loire, the EV6 follows the Canal du Centre to the river Saône at Chalon-sur-Saône. It continues through Burgundian wine country to Besançon, Baume-les-Dames, Montbéliard, and Mulhouse. It then crosses into Switzerland at Basel, following the Rhine valley to Lake Constance before crossing into Germany. Danube From Tuttlingen in Germany, the EV6 follows the Danube Cycleway all the way to the Black Sea. It mostly runs along both sides of the Danube, which flows through diverse landscapes, including mountainous terrain, plains, and nature reserves as it passes through Germany, Austria, Slovakia, Hungary, Croatia, Serbia, Romania, and Bulgaria. In the local languages along the way the EV6's Danube Cycleway is known as: Germany From Lake Constance, the EV6 follows a route known as the "Hohenzollern Route" to Donaueschingen, where it joins the Danube Cycleway, the German Cycling Network's D6 or "Donauradweg". The EV6 route passes through two German states, Baden-Württemberg and Bavaria, taking the following route: In Baden-Württemberg: Hohenzollern Route: Lake Constance ↔ Messkirch ↔ Tuttlingen Danube Cycleway: Tuttlingen ↔