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

Lenne
Letmathe-Lennebruecke1-Asio.JPG
The Lenne in Iserlohn-Letmathe.
Location
CountryGermany
Physical characteristics
Source 
 ⁃ locationSauerland
 ⁃ elevation819 m (2,687 ft)
Mouth 
 ⁃ location
Ruhr
 ⁃ coordinates
51°24′54″N 7°29′31″E / 51.41500°N 7.49194°E / 51.41500; 7.49194Coordinates: 51°24′54″N 7°29′31″E / 51.41500°N 7.49194°E / 51.41500; 7.49194
Length129.0 km (80.2 mi) [1]
Basin size1,355 km2 (523 sq mi) [1]
Discharge 
 ⁃ average25 m3/s (880 cu ft/s)
Basin features
ProgressionRuhrRhineNorth Sea
Tributaries 
 ⁃ leftElse (Lenne), Bigge (river), Elspe (Lenne), Grafschaft (Lenne), Uentrop (Lenne)
 ⁃ rightNesselbach (Lenne), Nette (Lenne), Sorpe (Lenne)

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]

ReferencesEdit

  1. ^ a b Hydrographic Directory of the NRW State Office for Nature, the Environment and Consumer Protection (Gewässerverzeichnis des Landesamtes für Natur, Umwelt und Verbraucherschutz NRW 2010) (xls; 4.67 MB)
  2. ^ Gôppert, H.; Ihringer, J.; Plate, E. J.; Morgenschweis, G. (April 1998). "Flood forecast model for improved reservoir management in the Lenne River catchment, Germany". Hydrological Sciences—Journal—des Sciences Hydrologiques. Pub. 43 (2): 215. CiteSeerX 10.1.1.408.1817. doi:10.1080/02626669809492119.
  •   Media related to Lenne at Wikimedia Commons