List of tributaries of the Danube
The Danube is Europe's second-longest river. It starts in the Black Forest in Germany as two smaller rivers—the Brigach and the Breg—which join at Donaueschingen, and it is from here that it is known as the Danube, flowing generally eastwards for a distance of some , passing through several Central and Eastern European capitals, before emptying into the Black Sea via the Danube Delta in Romania.
List of crossings of the Danube
This is a list of crossings of the Danube river, from its source in Germany to its mouth in the Black Sea. Next to each bridge listed is information regarding the year in which it was constructed and for what use it was constructed (foot bridge, bicycle bridge, road bridge or railway bridge), and the distance from the mouth of the river in kilometres where available.