The Danube River is the second-longest river in Europe and the longest river in the European Union...
The Douro, Portugal is perhaps less well known than other European rivers but features a rich variety of UNESCO Cities, Port wine houses and traditional bridges and architecture.
The Rhône begins in the Swiss Alps and flows through Lake Geneva into France. The river will ultimately meet the Mediterranean Sea.
The Rhine is considered as one of Europe’s most important rivers and also one of the most stunning.