Related Clues:

• It has Swiss banks
• It feeds Lake Brienz
• Western Germany's river to the Rhine
• Webster's first river
• Europe's Gorge of the ___
• River known anciently as Obringa
• Swiss Rhine feeder
• Sight from Bern
• Pulitzer Prize dramatist Tad
• Swiss river into the Rhine
• Swiss river that flows into the Rhine
• River of Bern
• Longest river entirely within Switzerland
• Duisburg's locale
• German industrial center