Krückau is a river in the federal state of Schleswig-Holstein in the north of Germany. It flows into the river Elbe near Seestermühe. The lower part between the Elbe and Elmshorn is navigable but not classified.Längen der Hauptschifffahrtswege der Binnenwasserstraßen des Bundes, Liste 4, Bundesministerium für Verkehr und digitale Infrastruktur (Federal Ministry of Transport and Digital Infrastructure) (in German)
See also List of rivers of Schleswig-Holstein
References