Black Ernz
| Black Ernz | |
|---|---|
Schiessentümpel waterfall | |
| Location | |
| Country | Luxembourg |
| Physical characteristics | |
| Source | |
| • location | Grünewald |
| Mouth | |
• location | Sauer, at Grundhof |
| Length | 25 km (16 mi) |
The Black Ernz (Luxembourgish: Schwaarz Iernz, French: Ernz noire, German: Schwarze Ernz) is a river flowing through Luxembourg, joining the Sauer at Grundhof. It flows through the towns of Junglinster and Mullerthal.