| Diemel | |
|---|---|
 The Diemel near Trendelburg | |
 | |
| Location | |
| Country | Germany |
| Physical characteristics | |
| Source | |
| • location | Sauerland |
| • coordinates | 51°15′59″N 8°39′05″E / 51.26639°N 8.65139°E |
| • elevation | 680 m (2,230 ft) |
| Mouth | |
• location | Weser |
• coordinates | 51°38′33″N 9°26′52″E / 51.64250°N 9.44778°E |
| Length | 110.4 km (68.6 mi) [1] |
| Basin size | 1,762 km2 (680 sq mi) [1] |
| Basin features | |
| Progression | Weser→ North Sea |
| Tributaries | |
| • right | Twiste |
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.