Related Clues:

• Drainer of most of Switzerland
• German industrial district
• It passes between Swiss banks
• River originating near Winterberg
• Flower in Bern?
• Industrial area is rougher with characters regularly getting bumped off
• Traditional region of German heavy industry
• River and industrial region of northwest Germany
• Region near Düsseldorf
• European coal center
• Dortmund's region
• Swiss banks may be affiliated with it
• Tributary of the High Rhine
• Bern river
• It flows to the Rhine