Leine

The Leine (; Old Saxon Lagina) is a river in Thuringia and Lower Saxony, Germany. It is a left tributary of the Aller and the Weser and is long.
The river's source is located close to the town of Leinefelde in Thuringia. About downriver, the river enters Lower Saxony and runs northwards.
Important towns along its course, from upstream to downstream, are Göttingen, Einbeck, Freden, Alfeld, and Gronau, before the river enters Hanover, the largest city on its... meer