
1) Federal waterway in Germany
Found on
https://www.crosswordclues.com/clue/unterelbe

The Unterelbe or, in English usually the Lower Elbe, refers to the lower reaches of the river Elbe in Germany influenced by the tides. It starts at kilometre 586, at the sluice of Geesthacht, where the Elbe forms the border between Lower Saxony and Schleswig-Holstein. . It continues downstream, then forming the border between Lower Saxony and Hamb...
Found on
http://en.wikipedia.org/wiki/Unterelbe
No exact match found.