| Buthier | |
|---|---|
 Saumont dam, near Aosta | |
 | |
| Location | |
| Country | Italy |
| Physical characteristics | |
| Source | |
| • location | Grandes Murailles glacier |
| • elevation | 3,000 m (9,800 ft) |
| Mouth | |
• location | Dora Baltea in Aosta |
• coordinates | 45°43′56″N 7°20′25″E / 45.7321°N 7.3403°E |
| Length | 40 km (25 mi) |
| Basin features | |
| Progression | Dora Baltea→ Po→ Adriatic Sea |
The Buthier is a mountain torrent in north-west Italy. A left bank tributary of the Dora Baltea, its entire course lies within the Valpelline, a valley in the region of Aosta Valley.