Biber is a river in

Thuringia Thuringia (; german: Thüringen ), officially the Free State of Thuringia ( ), is a state of central Germany, covering , the sixth smallest of the sixteen German states. It has a population of about 2.1 million. Erfurt is the capital and lar ...

Germany Germany, officially the Federal Republic of Germany (FRG),, is a country in Central Europe. It is the most populous member state of the European Union. Germany lies between the Baltic and North Sea to the north and the Alps to the sou ...

, that flows into the

Schleuse Schleuse is a river of Thuringia, Germany. It is a tributary of the Werra, which it joins in Kloster Veßra. The town Schleusingen lies on the Schleuse. See also *List of rivers of Thuringia A list of rivers of Thuringia, Germany: A ...

in Lichtenau.