| Neffelbach | |
|---|---|
 | |
 | |
| Location | |
| Country | Germany |
| State | North Rhine-Westphalia |
| Physical characteristics | |
| Mouth | |
• location | Erft |
• coordinates | 50°53′34″N 6°42′41″E / 50.8927°N 6.7113°E / 50.8927; 6.7113 |
| Length | 40.3 km (25.0 mi)1 |
Basin size | 237 km2 (92 sq mi)1 |
| Basin features | |
| Progression |
Erft→ Rhine→ North Sea |
Neffelbach is a river of North Rhine-Westphalia, Germany. Its source is located less than 1 km west of Vlatten, 1,5 km east of Hausen, within the area of Heimbach, neaqr the town border to Nideggen. Also the town areas of Zülpich, Vettweiß and Nörvenich are reached. It flows into the Erft within the town area of Kerpen.