The Ruhr is a large river in western Germany (North Rhine-Westphalia) starting near the town of Winterberg in Sauerland and ending in the Rhine in the city of Duisburg.
The Ruhr first flows through the cities Meschede, Arnsberg and Schwerte. Then the river forms the southern edge of the Ruhr area, flowing through Hagen, Witten, Essen, Mülheim and Duisburg.
Not to be confused with the river Rur, in western North Rhine-Westphalia, Belgium and Netherlands.
