Socialist Federal Republic of Yugoslavia
Regarding rivers, the Danube was navigable throughout its entire course in Yugoslavia, linking the ports of Belgrade, Novi Sad, and Vukovar with Central Europe and the Black sea. Long stretches of rivers Sava, Drava and Tisza were also navigable.
Donausteig (Danube Trail)
The Donausteig is a hiking trail that passes through parts of Bavaria and Austria. Since the summer of 2010, the trail follows both banks of the Danube, from Passau via Linz up to St. Nikola and Grein.