The Lenne is a tributary of the river Ruhr in the Sauerland hills, western Germany. It has caused flooding in recent years.^[2]

You can help expand this article with text translated from the corresponding article in German. (January 2018) Click [show] for important translation instructions. View a machine-translated version of the German article. Machine translation, like DeepL or Google Translate, is a useful starting point for translations, but translators must revise errors as necessary and confirm that the translation is accurate, rather than simply copy-pasting machine-translated text into the English Wikipedia. Do not translate text that appears unreliable or low-quality. If possible, verify the text with references provided in the foreign-language article. You must provide copyright attribution in the edit summary accompanying your translation by providing an interlanguage link to the source of your translation. A model attribution edit summary is Content in this edit is translated from the existing German Wikipedia article at [[:de:Lenne (Ruhr)]]; see its history for attribution. You should also add the template {{Translated|de|Lenne (Ruhr)}} to the talk page. For more guidance, see Wikipedia:Translation.

Quick Facts Location, Country ...

Lenne
The Lenne in Iserlohn-Letmathe.
Location
Country	Germany
Physical characteristics
Source
• location	Sauerland
• elevation	819 m (2,687 ft)
Mouth
• location	Ruhr
• coordinates	51°24′54″N 7°29′31″E
Length	129.0 km (80.2 mi) [1]
Basin size	1,355 km2 (523 sq mi) [1]
Discharge
• average	25 m3/s (880 cu ft/s)
Basin features
Progression	Ruhr→ Rhine→ North Sea
Tributaries
• left	Else (Lenne), Bigge (river), Elspe (Lenne), Grafschaft (Lenne), Uentrop (Lenne)
• right	Nesselbach (Lenne), Nette (Lenne), Sorpe (Lenne)

Close

Having its source on top of the Kahler Asten near Winterberg in an intermittent spring at an elevation of 2,687 ft (819 m), 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. ^{[citation needed]}