Related Clues:

• European industrial valley
• River past Dortmund
• Interlaken river (Var.)
• Bern's flower
• Swiss river, and a homonym for 43-Across
• River that passes through Essen, Germany
• Where to find Swiss banks
• German industrial area
• River in Switzerland
• Bernese Alps river
• Swiss flower
• Swiss banks' center
• Wine region where Riesling is made
• River that rises in the Bernese Alps
• German coal valley