| Gran Ega | |
|---|---|
 The Gran Ega at Pederoa, La Val | |
 | |
| Location | |
| Country | Italy |
| Physical characteristics | |
| Source | |
| • location | Val Badia (South Tyrol) |
| Mouth | Rienz |
• location | St. Lorenzen |
• coordinates | 46°47′03″N 11°53′26″E / 46.7843°N 11.8906°E |
| Length | 34.7 km (21.6 mi) |
| Basin size | 390 km2 (150 sq mi) |
| Basin features | |
| Progression | Rienz→ Eisack→ Adige→ Adriatic Sea |
The Gran Ega (alternative Ladin name: Ghaidra; German: Gader; Italian: Gadera) is the main river of the Val Badia in South Tyrol, Italy. Its name literally translates to great water.