Warme Bode

The Warme Bode is the right-hand headstream of the Bode in the High Harz mountains of central Germany in the states of Lower Saxony and Saxony-Anhalt. It is 23 kilometres (14 mi) long and is formed by the confluence of the Große Bode and Kleine Bode rivers.

Source: Wikipedia https://en.wikipedia.org/wiki/Warme_Bode