Old Eider
Alte Eider stands for:
- a river north of the Kiel Canal , starting at Gut Grünhorst , primarily fed by the Lindauer Mühlenau , flowing into the Kiel Canal at Sehestedt
- a river flows from the south at Sehestedt into the Kiel Canal , fed by the Eider Canal at the Kluvensiek lock
- all sorts of earlier courses of the Eider , a river in Schleswig-Holstein