The Lenne is a tributary of the river Ruhr in the Sauerland hills, western

Germany Germany,, officially the Federal Republic of Germany, is a country in Central Europe. It is the second most populous country in Europe after Russia, and the most populous member state of the European Union. Germany is situated betwe ...

. It has caused flooding in recent years. Having its source on top of the ''

Kahler Asten Kahler may refer to: Places *Kahler, Luxembourg, a small town in the commune of Garnich *Kahler Asten, a German mountain range Other uses *Kahler (surname) *Kahler's disease, a cancer otherwise known as ''multiple myeloma'' *Kahler Tremolo System, ...

'' near Winterberg in an intermittent spring at an elevation of , the Lenne ends after a course of 129 km flowing into the Ruhr river near the city of Hagen. With an average discharge of 25 m³/s near its mouth, it is the main tributary of the Ruhr.

References

Tussen Werdohl en Altena, de Lenne foto11 2017-06-04 15

* Rivers of North Rhine-Westphalia Rivers of Germany {{NorthRhineWestphalia-river-stub