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
S6 (Rhine-Ruhr S-Bahn) 1968 and from Garath to on 12 December 1968, from Langenfeld to Köln Hansaring on 2 June 1991 and from Hansaring to on 13 June 2004. S6 (Rhine-Ruhr S-Bahn) Line S 6 is a S-Bahn line in the Rhein-Ruhr network. It calls, among others, at the cities of Essen, Düsseldorf and Cologne and was one of the first S-Bahn lines in the Rhine-Ruhr network, becoming operational on 28 September 1967 between Ratingen Ost and Düsseldorf-Garath. It is operated at 20 minute intervals using coupled sets of class 422 four-car electrical multiple units. Line S 6 runs over lines built by