Rivers of Assam: Major Rivers and Their Importance
Rivers are central to the geography, economy, agriculture and culture of Assam. The Brahmaputra and Barak are the two major river systems of the state.
Brahmaputra River
The Brahmaputra is the most important river of Assam. It flows across the state from east to west and creates a vast floodplain.
The river is known for its wide channel, braided stretches, islands, wetlands and seasonal floods.
Barak River
The Barak is the major river system of southern Assam. It flows through the Barak Valley and is particularly important to the districts of Cachar, Hailakandi and Sribhumi.
Major Tributaries of the Brahmaputra
| River | Importance |
|---|---|
| Subansiri | One of the major northern-bank tributaries. |
| Manas | Important river of western Assam. |
| Jia-Bhorelli | Important river associated with the Nameri region. |
| Dhansiri | Important river of central and eastern Assam. |
| Disang | Major river of Upper Assam. |
| Dikhow | Important river of Upper Assam. |
| Jhanji | River of the Upper Assam region. |
Importance of Rivers in Assam
- Support agriculture and irrigation.
- Maintain wetlands and aquatic ecosystems.
- Support inland fisheries.
- Influence settlement and transport patterns.
- Provide habitats for many species.
- Shape the landscape of the Brahmaputra Valley.
Floods in Assam
Seasonal flooding is a major geographical feature of Assam. Heavy monsoon rainfall, high river discharge, erosion and the characteristics of the Brahmaputra floodplain contribute to recurring floods.
River Islands
The Brahmaputra has created numerous river islands and sandbars. Majuli is one of the best-known inhabited river islands associated with the Brahmaputra system.
Quick Facts
- Major river of Assam: Brahmaputra
- Major river system of southern Assam: Barak
- Major tributary: Subansiri
- Nameri region river: Jia-Bhorelli
- Important inhabited river island: Majuli
