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Lenne

The Lenne is a river in the Sauerland area in western Germany.

Starting at the Kahler Asten near Winterberg in an intermittiant spring the Lenne ends after 138 km in the Ruhr river near the city of Hagen. It's the main tributary of the Ruhr, both rivers start very near to each other, but spread to different routes until they meet again in Hagen.

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