| Mahananda River | |
|---|---|
 People collecting stone at Mahananda River in Tetulia, Panchagarh District, Bangladesh with Kangchenjunga in the background | |
 | |
| Location | |
| Countries | India and Bangladesh |
| States | West Bengal (India) Bihar (India) |
| Divisions | Rangpur (Bangladesh) Rajshahi (Bangladesh) |
| Districts | Darjeeling (India), Jalpaiguri (India) Uttar Dinajpur (India) Kishanganj (India) Purnia (India) Katihar (India) Malda (India) Panchagarh (Bangladesh) Nawabganj (Bangladesh) |
| Cities | Kurseong (India) Siliguri (India) English Bazar(India) Godagiri (Bangladesh) |
| Physical characteristics | |
| Source | Paglajhora Falls, Darjeeling hills in the Himalayas |
| Mouth | Ganges |
• location | Godagiri, Nawabganj District, Bangladesh |
• coordinates | 24°29′24″N 88°18′14″E / 24.49000°N 88.30389°E |
| Length | 360 km (220 mi) |
| Basin size | 20,600 km2 (8,000 sq mi) |
| Basin features | |
| Tributaries | |
| • left | Tangon River, Nagar River (Rangpur) |
| • right | Mechi River, Kankai River, Balason River, Kalindi River |
The Mahananda (/məˌhɑːˈnʌndə, ˌmɑːhə-/ mə-HAH-NUN-də, MAH-hə-) is a trans-boundary river that flows through the Indian states of Bihar and West Bengal before crossing into Bangladesh. It is an important tributary of the Ganges.