Prelims ask
Tibet source, east then the bend, four names, China–India–Bangladesh, Bay of Bengal.
Asia · Himalayan world system, not an India drainage note
Brahmaputra
Longer than the Ganga. The exam point is the course, not the rank.
- Source
- Angsi / Chemayungdung area, northern flank of the Himalaya, in Tibet. East of Manasarovar, not the Gangotri.
- Countries
- China, India and Bangladesh.
- Direction
- East along Tibet, a great bend south, west across Assam, then south into Bangladesh.
- Mouth
- Bay of Bengal, through the Meghna.
- Length
- About 2,900 km.
- Major tributaries
- Subansiri, Lohit, Dibang, Manas, Teesta. Stop at those names.
- Delta or estuary
- Joins the Ganga delta system. In Bangladesh the trunk is the Jamuna.
- Basin
- The Yarlung Tsangpo gorge is among the deepest on Earth. The river is antecedent.
- One exam fact
- Four names in course order: Yarlung Tsangpo, Siang (Dihang), Brahmaputra, Jamuna.
Mains use
The world example of a river that rises behind a young fold range and cuts through it. Keep Indian flood detail out.