Eider Canal Eider Canal The Eider Canal (also called the Schleswig-Holstein Canal) was an artificial waterway in southern Denmark (later northern Germany) which connected the North Sea with the Baltic Sea by way of the rivers Eider and Levensau. Constructed between 1777 and 1784, the Eider Canal was built to create a path for ships entering and exiting the Baltic that was shorter and less storm-prone than navigating around the Jutland peninsula. In the 1880s the canal was replaced by the enlarged Kiel Canal, which includes some of the Eider Canal's watercourse. The canal's watercourse followed the border between the duchies of
White Sea–Baltic Canal to 7). The Finns crossed the canal and captured Gabselga village east of it, but after a few days of fighting they were pushed back to the canal's western side. Soviet sappers blew up Lock No. 7 only on December 11, after the Red Army had already retreated from the area. Once the locks of the Povenets Ladder had been destroyed, water from the watershed lakes started to freely pour into Lake Onega through Povenets village, which was nearly completely destroyed by the flow. The route of the White Sea–Baltic Canal had become the front line, separating the Finnish troops