---
title: "Dihang Gorge: Brahmaputra's Himalayan Canyon"
description: "The Dihang Gorge is where the Brahmaputra slices through the eastern Himalaya into Arunachal Pradesh—a UPSC-favourite example of antecedent drainage."
url: "https://modeldiplomat.com/learn/glossary/dihang-gorge"
---

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Model Diplomat Research Team · Last reviewed June 22, 2026

TL;DR

- The Dihang Gorge is the deep canyon through which the Brahmaputra River cuts across the eastern Himalaya from Tibet into Arunachal Pradesh, India.
- Why is the Dihang Gorge the classic example of antecedent drainage?
- What is the difference between the Tsangpo, Siang, and Dihang?
- How does antecedent drainage differ from superimposed drainage?

[Civil Service & Diplomatic Exams](https://modeldiplomat.com/learn/civil-services/glossary)Updated June 22, 2026

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In December 2024, China approved a mega-dam on the Yarlung Tsangpo near the Great Bend above the Dihang Gorge, prompting India's Ministry of External Affairs to raise downstream water-security concerns with Beijing.

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