Danube River
Historical maps from Worldinmaps.com, now part of TerraScientifica.
Key facts
| Countries | Germany, Austria, Slovakia, Hungary, Croatia, Serbia, Bulgaria, Romania, Moldova and Ukraine |
| Major cities | Ulm, Ingolstadt, Regensburg, Linz, Vienna, Bratislava, Budapest, Novi Sad, Belgrade, Drobeta-Turnu Severin, Ruse, Brăila and Galați |
| Main source | Breg |
| Location | Furtwangen im Schwarzwald (Germany) |
| Elevation | 1 078 m (3 537 ft) |
| Secondary source | Brigach |
| Location | St. Georgen im Schwarzwald (Germany) |
| Elevation | 940 m (3 080 ft) |
| Source confluence | |
| Location | Donaueschingen (Germany) |
| Elevation | 686 m (2 251 ft) |
| Mouth | Black Sea |
| Location | Danube Delta (Romania and Ukraine) |
| Elevation | 0 m (0ft) |
| Length | 2850 km (1 770 mi) |
| Basin size | 801 463 km² (309 447 sq mi) |
| Discharge | At the Danube Delta |
| Average | around 6 500 m³/s (230 000 cu ft/s) |
| Minimum | 1 790 m³/s (63 000 cu ft/s) |
| Maximum | 15 900 m³/s (560 000 cu ft/s) |