Diemel
The Diemel is a river in Hesse and North Rhine-Westphalia, Germany. It is a western and orographically left tributary of the Weser. It is the first, and therefore southernmost, of the larger Weser tributaries after its formation by the confluence of the Fulda and Werra rivers.
Route
The source of the Diemel is near Willingen, in Sauerland. The Diemel flows generally northeast through the towns Marsberg, Warburg, and Trendelburg. It flows into the Weser in Bad Karlshafen.
References
Wikimedia Commons has media related to Diemel.