Ruhr (river)

Ruhr
The Ruhr in Essen-Kettwig
Location
CountryGermany
StateNorth Rhine-Westphalia
Physical characteristics
Source 
 • locationKahler Asten
 • elevation870 m (2,850 ft)
Mouth 
 • location
Rhine
 • coordinates
51°27′3″N 6°43′22″E / 51.45083°N 6.72278°E / 51.45083; 6.72278
Length219.2 km (136.2 mi)[1]
Basin size4,485 km2 (1,732 sq mi)[1]
Discharge 
 • average79 m3/s (2,800 cu ft/s)
Basin features
ProgressionRhineNorth Sea
CitiesDuisburg, Essen, Dortmund, Mülheim
Tributaries 
 • leftLenne, Volme
 • rightMöhne

The Ruhr (German pronunciation: [ʁuːɐ̯] ) is a river in western Germany (North Rhine-Westphalia), a right tributary (east-side) of the Rhine.