1. Die Donau The Danube is the second longest river in Europe and the only river that flows from west to east. Originated in southern Hesse, it flows into the Black Sea off the coast of Romania. The Danube is 285 kilometers long, and about 6 of the 3 tributaries are navigable. Its drainage area of about 81,7 square kilometers covers Germany, Austria, Slovakia, Hungary, Croatia, Slovenia, Bulgaria, Romania, Ukraine and other countries. The cities that pass through in Germany are Ulm, Regensberg and Passau.

2. The Rhine River is the symbol of Germany and the source of European civilization. It originates from the northern foot of Swiss Alps, flows through Liechtenstein, Austria, France, Germany and the Netherlands, and flows into the North Sea at Lugang near Rotterdam. The Rhine River is 1,32 kilometers long, with a total navigation length of 869 kilometers. It is worth mentioning that the length of the flow in Germany reaches 865 kilometers. The Rhine River is the main source of irrigation and drinking for Germans, and it is also a famous tourist attraction. Rhine Waterfall is 15 meters wide and 21 meters high. It is the largest waterfall in Central Europe. In addition, there are many castles along the Rhine River with beautiful scenery, and Heine once wrote poems for the "Lorelei" rock here.

3. The 117-kilometer-long Elbe flows from southeast to northwest and flows into the North Sea through northern Germany. The Elbe River is about 7 kilometers in Germany, with a drainage area of 144, square kilometers. It flows through Dresden, magdeburg and Hamburg. It is connected with Oder River, Rhine River and Weser River, forming an inland river transportation network. Since the 1th century, the Elbe River has been an important commercial waterway, and in the middle of 12th century, it was a transit point for river and sea trade.