The term GERMAN WATERWAY refers to a number of rivers and canals located in Germany. These include the Saar (4 letters), Eder (4 letters), Elbe (4 letters), MAIN (4 letters), Oder (4 letters), Rhine (5 letters), DANUBE (6 letters), Elbe River (9 letters) and Oder-Spree Canal (14 letters). The Saar is a river in western Germany, while the Eder is a tributary of the Weser River. The Elbe is one of the major rivers in Central Europe, and the MAIN is a tributary of the Rhine. The Oder is a major river in Central Europe, and the Rhine is one of the longest rivers in Europe. The DANUBE is the second longest river in Europe, and the Elbe River is a tributary of the North Sea. The Oder-Spree Canal is a canal connecting the Oder and Spree rivers.