---
title: "Duns and Duars: Himalayan Valleys Explained | Model Diplomat"
description: "Duns and Duars refer to valleys and foothill plains in eastern India, crucial for UPSC candidates studying regional physiography and geography."
url: "https://modeldiplomat.com/learn/glossary/duns-and-duars"
---

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Model Diplomat Research Team · Last reviewed June 22, 2026

TL;DR

- Duns are longitudinal valleys formed between the Lesser Himalayas and the Shiwalik range, while Duars are their gravel-and-alluvium foothill plains in eastern India.
- What is the core difference between a Dun and a Duar?
- How are Duns formed geologically?
- Where are the Duars located and why do they matter economically?
- How do Duars differ from the bhabar and terai belts?

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

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In 1878 British planters established the first commercial tea gardens in the Western (Bengal) Duars around Jalpaiguri, founding the Dooars tea industry that remains a major Indian producer today.

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