The Elbe, Rhine, and Weser are all major rivers in Germany that flow into the North Sea. The Elbe is a 4 letter river that originates in the Czech Republic and flows through Germany before emptying into the North Sea. The Rhine is a 5 letter river that begins in Switzerland and flows through Germany, the Netherlands, and Belgium before reaching the North Sea. The Weser is also a 5 letter river that starts in central Germany and flows through Lower Saxony before emptying into the North Sea. All three of these rivers are important to the German economy and culture.