National park / tiger reserve

Silent Valley NP

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Overview

Silent Valley in the Nilgiris, Kerala, was saved from a hydro project by a 1970s–80s campaign, one of India's landmark environmental movements.

It is in Palakkad district in the Nilgiri hills.

A people's movement in the 1970s and 1980s stopped a dam on the Kunthipuzha river.

It is the core of the Nilgiri Biosphere Reserve and home of the lion-tailed macaque.

It was declared a national park in 1984.

The park has tropical evergreen forests.

It has no human settlements inside.

It is part of the Western Ghats World Heritage Site.

Geography and key facts

  • Kerala, Nilgiris
  • Saved from a dam
  • 1970s–80s movement
  • Palakkad district
  • Save Silent Valley
  • Lion-tailed macaque

Why it matters for UPSC

Asked on environmental movements.

Note for UPSC

Kerala, Nilgiris; saved from a hydro project after a 1970s–80s campaign.

Prelims often asks park–state pairs, the rivers flowing through a park and its flagship species.

Asked in PYQs

No question in our Prelims bank names Silent Valley NP yet.

Key facts

Type
National park / tiger reserve
State / UT
Kerala
Coordinates
11.133°N, 76.467°E

From the Map Explorer data; positions are for orientation.

In the lessons

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Other places in Kerala

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