River
Siang
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Overview
The Siang, or Dihang, is the name the Brahmaputra takes in Arunachal Pradesh. The Tsangpo of Tibet makes a sharp U-turn near Namcha Barwa, cuts through its gorge and enters India as the Siang. In Assam it becomes a braided river.
Geography and key facts
- Tsangpo → Siang/Dihang → Brahmaputra
- U-turn near Namcha Barwa
- Arunachal Pradesh
Why it matters for UPSC
The Brahmaputra's names along its course are a frequent question.
Note for UPSC
The Brahmaputra in Arunachal Pradesh after the Tsangpo gorge.
Prelims asks about tributaries, the states a river flows through, its basin and the projects on it, so trace the course on the map.
Asked in PYQs
No question in our Prelims bank names Siang yet.
Key facts
- Type
- River
- State / UT
- Arunachal Pradesh
- River system
- Himalayan
- Basin
- Brahmaputra
- Extent on map
- 28.1°–29.2°N, 94.8°–95.3°E
From the Map Explorer data; positions are for orientation.