Ruhr (river) Ruhr (river) __notoc__ The Ruhr is a river in western Germany (North Rhine-Westphalia), a right tributary (east-side) of the Rhine. The source of the Ruhr is near the town of Winterberg in the mountainous Sauerland region, at an elevation of approximately 2,200 feet (670 m). It flows into the lower Rhine at an elevation of only 56 feet (17 m) in the municipal area of Duisburg. Its total length is , its average discharge is 79 m³/s (cubic metres per second) at Mülheim near its mouth. Thus, its discharge is, for example, comparable to that of the river Ems in
Rhine-Ruhr the south and the small city Wesel as its northernmost point. The northern border is similar to the border of the Ruhr Area. The table below shows an unofficial summary of regions. In the official definition the metropolitan area is much smaller. Eurostat's "Urban Audit" splits the Rhine-Ruhr region into six Larger Urban Zones (LUZ). These six Urban Zones do not cover the cities of Remscheid and Solingen nor the district of Rhein-Kreis Neuss. Historically, most of the Ruhr area was for the most part characterized by heavy industry since the age of industrialisation in the late 19th and early