The Neckar River is a stunning 362 km long river in Germany. The river flows mainly through the southwestern state of Baden-Württemberg, the longest part of which is located in the inland city of Tübingen. The river is one of the main tributaries of the Rhine, and it rises 706 meters above sea level. It is surrounded on all sides by the vast green areas where you can spend a beautiful time in the company of friends and loved ones.