| Lachen River | |
|---|---|
 | |
 | |
| Location | |
| Country | India |
| Physical characteristics | |
| Source | Himalayas |
| • location | Himalayas, Sikkim, India |
| Mouth | Teesta River |
• location | Mangan district, Sikkim, India |
The Lachen River is a tributary of the Teesta River in the state of Sikkim, India. It is one of the two main tributaries of the Teesta along with the Lachung River, which rise on opposite sides of the Donga Range in neighbouring Bhutan[1] and converge in Chungthang in the North Sikkim district.[2]
- ^ Memoirs of the Geological Survey of India. By order of the Governor-General of India. 1912. p. 8.
- ^ "North Skikkim". National Informatics Centre. Archived from the original on 21 August 2015. Retrieved 12 August 2015.