 | This article relies largely or entirely on a single source. (January 2019) |
| Balason River | |
|---|---|
 Balason river at Dudhia | |
| Location | |
| Country | India |
| State | West Bengal |
| District | Darjeeling |
| Physical characteristics | |
| Source | Jorepokhari, Sukhia |
| Mouth | Mahananda River |
Balasun is one of the main rivers of North Bengal and Darjeeling Districts.