Ruhr
The Ruhr in Essen-Kettwig. Kettwig is the southernmost borough of the city of Essen in western Germany and until 1975 was a town in its own right
Origin	Sauerland
Mouth	Rhine
Basin countries	Germany
Length	217 km
Source elevation	674 m
Avg. The Sauerland is a rural hilly area spreading across most of the south-eastern part of North Rhine-Westphalia, in parts heavily Forested and apart from the major The Rhine (Rhein Rijn Rhin Reno Rain Rhenus is one of the longest and most important Rivers in Europe at 1320 kilometres (820 mi with an average discharge A drainage basin is an extent of Land where Water from Rain or Snow melt drains downhill into a body of water such as a River, Germany, officially the Federal Republic of Germany ( ˈbʊndəsʁepuˌbliːk ˈdɔʏtʃlant is a Country in Central Europe. discharge	79 m³/s
Basin area	4,485 km²

In the Ruhr area, the Ruhr River (lower map) runs west to east, roughly parallel to the Lippe River, north. In Hydrology, the discharge or outflow of a River is the volume of Water transported by it in a certain amount of time The Ruhr Area, ( German Ruhrgebiet, colloquial Ruhrpott, Kohlenpott or Revier) is an Urban area in North Rhine-Westphalia The Lippe (ˈlɪpə is a river in North Rhine-Westphalia, Germany.

The Ruhr is a medium-size river in western Germany (North Rhine-Westphalia), a right tributary (east-side) of the Rhine. "Riverine" redirects here For the use of that term in Maritime geography, see there Germany, officially the Federal Republic of Germany ( ˈbʊndəsʁepuˌbliːk ˈdɔʏtʃlant is a Country in Central Europe. North Rhine-Westphalia (Nordrhein-Westfalen usually shortened to NRW, official short form NW is the westernmost and - in terms of population and economic output - the The Rhine (Rhein Rijn Rhin Reno Rain Rhenus is one of the longest and most important Rivers in Europe at 1320 kilometres (820 mi with an average discharge Its source is at an elevation of approximately 2,200 feet (670 m), near the town of Winterberg in the mountainous Sauerland region, and it flows into the lower Rhine river at an elevation of only 56 feet (17 m) in the municipal area of Duisburg. Winterberg is a town in the Hochsauerland district in North Rhine-Westphalia, Germany. The Sauerland is a rural hilly area spreading across most of the south-eastern part of North Rhine-Westphalia, in parts heavily Forested and apart from the major The Rhine (Rhein Rijn Rhin Reno Rain Rhenus is one of the longest and most important Rivers in Europe at 1320 kilometres (820 mi with an average discharge Duisburg (ˈdyːsbʊɐ̯k is a German city in the western part of the Ruhr Area ( Ruhrgebiet) in North Rhine-Westphalia. Its total length is 217 km (135 miles), its average discharge is 79 m³/s (cubic metres per second) at Mülheim near its mouth. Mülheim an der Ruhr, also called "City on the River", is a city in North Rhine-Westphalia in Germany. Thus, its discharge is, for example, comparable to that of the Ems river in Northern Germany or the Thames river in the United Kingdom. The Thames ( is a major River flowing through southern England. The United Kingdom of Great Britain and Northern Ireland, commonly known as the United Kingdom, the UK or Britain,is a Sovereign state located

Towns

The Ruhr first passes the towns of Meschede, Arnsberg, Wickede, Fröndenberg, Holzwickede, Iserlohn and Schwerte. Meschede is a town in the Hochsauerland district in North Rhine-Westphalia, Germany Arnsberg is a town in the Hochsauerland district in North Rhine-Westphalia, Germany. Wickede (ˈvɪkədə is a municipality in the district of Soest, in North Rhine-Westphalia, Germany. Fröndenberg (ˈfʁœndənbɛʁk is a town in the district of Unna, in North Rhine-Westphalia, Germany. Holzwickede (hɔltsˈvɪkədə is a municipality in the district of Unna in North Rhine-Westphalia, Germany. Iserlohn (iːzɐˈloːn is a city in the Märkischer Kreis district in North Rhine-Westphalia, Germany. Schwerte is a town in the district of Unna, in North Rhine-Westphalia, Germany.

Then the river marks the southern limit of the Ruhr area, passing Hagen, Dortmund, Herdecke, Wetter, Witten, Bochum, Hattingen, Essen, Mülheim and Duisburg. The Ruhr Area, ( German Ruhrgebiet, colloquial Ruhrpott, Kohlenpott or Revier) is an Urban area in North Rhine-Westphalia Hagen is the 37th-largest City in Germany, located in the federal state of North Rhine-Westphalia. Dortmund (ˈdɔʁtmʊnt is a City in Germany, located in the Bundesland of North Rhine-Westphalia, in the Ruhr area. Herdecke is a town in the district of Ennepe-Ruhr-Kreis, North Rhine-Westphalia in Germany. Wetter ( Ruhr) ( literally weather) is a town in western Germany and belongs to the area of Ruhr area and the federal state of North Rhine-Westphalia Witten is a university city in North Rhine-Westphalia, Germany. Bochum (ˈboːχʊm is a city in North Rhine-Westphalia, Germany. Hattingen is a German town located in northern part of the Ennepe-Ruhr-Kreis distirct in North Rhine-Westphalia. Essen (ˈɛsən is a City in the center of the Ruhr Area in North Rhine-Westphalia, Germany. Mülheim an der Ruhr, also called "City on the River", is a city in North Rhine-Westphalia in Germany. Duisburg (ˈdyːsbʊɐ̯k is a German city in the western part of the Ruhr Area ( Ruhrgebiet) in North Rhine-Westphalia.

The Ruhr was Germany's main industrial zone during the early 1900s. Most factories were located there. Occupation of the Ruhr in the 1920s by French forces caused Passive Resistance, which saw production in the factories grind to a halt. Nonviolent resistance (or nonviolent action) is the practice of achieving socio-political goals through Symbolic Protests Civil disobedience, As a result, the hyperinflation crisis grew even worse. Certain figures in this article use Scientific notation for readability

Lakes

There are five Ruhr reservoirs on the river, often used for leisure activities.

• Hengsteysee between Dortmund and Hagen, Area of the surface: 1. The Hengsteysee (Lake Hengstey is a reservoir on the Ruhr river between the cities of Hagen, Dortmund and Herdecke, North Rhine-Westphalia 36km² height of the weir 4. 5m
• Harkortsee between Hagen Herdecke and Wetter; Area of the surface: 1. 37km², height of the weir 7. 8m
• Kemnader See between Witten and Bochum; Area of the surface: 1. 25 km², height of the weir 2m
• Baldeneysee in Essen-Werden; Area of the surface: 2. Werden is a borough of the city of Essen in Germany. It belongs to the city district IX Werden/Kettwig/Bredeney and has 9998 inhabitants as 64 km², height of the weir 8. 5m
• Kettwiger See in Essen-Kettwig; Area of the surface: 0. Kettwig is the southernmost borough of the city of Essen in western Germany and until 1975 was a town in its own right 55 km², height of the weir 6m

The adjacent major industrial region adopted its name from this river.

The Ruhr is used for the preparation of drinking water and has a good water quality, which contains a certain linguistic irony, since the word "Ruhr" means dysentery in the German language. Dysentery (formerly known as flux or the bloody flux) is an infection of the digestive system that results in severe Diarrhea containing mucus and blood Its riversides are largely characterized by open spaces and parkland, thus being used as recreation areas.

The Ruhr valley near Bochum during a flooding

See also

• Ruhr Area
• Occupation of the Ruhr (1923–1924)
• Nearby rivers: Rhine, Lippe River, Emscher. Bochum (ˈboːχʊm is a city in North Rhine-Westphalia, Germany. The Ruhr Area, ( German Ruhrgebiet, colloquial Ruhrpott, Kohlenpott or Revier) is an Urban area in North Rhine-Westphalia The Occupation of the Rhineland gave the French and Belgian armies the springboard from which it was easy to undertake the occupation of the Ruhr. The Rhine (Rhein Rijn Rhin Reno Rain Rhenus is one of the longest and most important Rivers in Europe at 1320 kilometres (820 mi with an average discharge The Lippe (ˈlɪpə is a river in North Rhine-Westphalia, Germany. The Emscher is a relatively small River and tributary of the Rhine, flowing through the Ruhr area in North Rhine-Westphalia in western Germany

Coordinates: 51°27′N 6°44′E / 51.45, 6.733