Cat Alster

The Alster is a right tributary of the Elbe river in Northern Germany. It has its source near Henstedt-Ulzburg, Schleswig-Holstein, flows somewhat southwards through much of the Free and Hanseatic City of Hamburg and joins the Elbe in central Hamburg.
  • Country: Germany
  • States: Schleswig-Holstein · Hamburg
  • Mouth: Elbe
  • Length: 56 km (35 mi)
  • Progression: Elbe→ North Sea
Data from: en.wikipedia.org