In the fifth part of our Danube cycle path series, an adventurous journey of around 1,400 kilometers from Belgrade to the Black Sea awaits you. A lot of eventful history and unique, impressive natural beauty accompany you on your way and make this bike tour a very special experience. Belgrade Fortress, Kalemegdan, Iron Gates, overhanging cliffs, rolling hills and numerous archaeological sites are just some of the highlights on this route. In Romania you have the choice of either cycling to Constanţa via Tulcea or taking the direct route to the port city of Constanţa on the Black Sea coast. From Tulcea you can take a pleasure boat to Sulina, where you can say goodbye to the queen of rivers at kilometer 0.