River

Banas

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Overview

The Banas is a tributary of the Chambal that flows entirely within Rajasthan. Its valley gives its name to the Ahar–Banas chalcolithic culture.

It rises in the Aravallis near Kumbhalgarh in Rajsamand district and flows entirely within Rajasthan.

It is the main tributary of the Chambal, joining it near the Rajasthan–Madhya Pradesh border in Sawai Madhopur district.

The Bisalpur dam on the Banas supplies drinking water to Jaipur and Ajmer.

The river is seasonal.

It drains the eastern slopes of the Aravallis.

It flows through Chittorgarh, Bhilwara and Tonk districts.

The Berach is its tributary.

Geography and key facts

  • Chambal tributary
  • Wholly in Rajasthan
  • Ahar–Banas culture
  • Rises near Kumbhalgarh
  • Tributary of the Chambal
  • Bisalpur dam

Why it matters for UPSC

Asked on chalcolithic cultures.

Note for UPSC

A Chambal tributary flowing wholly within Rajasthan.

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 Banas yet.

Key facts

Type
River
State / UT
Rajasthan
River system
Peninsular
Basin
Ganga
Extent on map
24.9°–26.2°N, 73.5°–76.7°E

From the Map Explorer data; positions are for orientation.

In the lessons

More rivers (same basin first)

Also in the Ganga basin

Other places in Rajasthan

All rivers · Revision list · Most asked in PYQs