Belgrade to Ruse offers spectacular gorges and quaint orthodox churches to visit. The “Iron Gates” are a series of spectacular gorges formed as the Danube flows between the Carpathian Mountains and the Balkans between Serbia and Romania. From the Iron Gates, cyclists enter Romania or Bulgaria. In Romania, you will pass vast plains and meet with the local population who will let you discover the rich local cuisine. On the Bulgarian side, the route is a hillier and passes through many kilometres of unspoiled nature. Both legs of meet in the region of Silistra, ending in Ruse, known as "little Vienna’.