Kerala Geography notes for Kerala PSC: Silent Valley National Park

Kerala Geography notes for Kerala PSC Silent Valley National Park
Kerala PSC Exams

Kerala Geography notes for Kerala PSC: Silent Valley National Park

  • The last remaining rainforest of Kerala: 

Silent Valley National Park

  • Silent valley national park has a core area of: 

89.52 Sq. Km

  • Silent Valley National Park is at:


  • The Silent Valley area was first explored and investigated in:


  • It was explored in 1847 by the botanist:

Robert Wight

  • Silent Valley forests were declared as Reserved Forest in:


  • The silent valley was established in the year:


  • Silent Valley was:

Declared as National Park in 1984 

Formally inaugurated in 1985

  • The visitors’ centre for the park is at:


  • The Silent Valley region is locally known as:


  • Sairandhri is the name of Dhrupati or Panchali in Mahabharatha 
  • A perennial river passing through the western side of the park is:


  • Least polluted river in Kerala:


  • Kunthipuzha merges with:


  • Main tributaries of this river are:






  • The river that originated from silent valley:


  • The river that was identifies as an ideal site for power generation in 1928-29 the location at Sairandhri is:


  • Proposed hydel power in Kunthipuzha is known as:

Pathrakadavu Power Project 

  • The inventory and investigations were carried out in 1958 and a hydel power project was proposed by:


Save Silent Valley Movement

  • The congress of IUCN that passed resolution recommending the protection of the lion-tailed macaque in Silent Valley area and Palakkad was:

IUCN Ashkhabad (USSR) Congress, 1978

  • In December 1980, government of Kerala declared the Silent Valley area, excluding the hydroelectric project area, as:

National Park

  • The Chairman of multi-disciplinary committee, constituted to examine the feasibility of project without any significant ecological damage was: 

Prof. M.G.K. Menon

  • Prof. Menon committee submitted its report in: 


  • Silent Valley forests were declared as a National Park on:

15th November, 1984

  • Prime minister at the time of declaration of Silent Valley as a National Park:

Indira Gandhi 

  • On 7th September 1985, the Silent Valley national park was formally inaugurated by:

Rajiv Gandhi

  • The Silent Valley National Park was included in the core area of Nilgiri Biosphere Reserve in:

1st  September 1986

  • On 11th June 2007 a Buffer Zone of 148 Sq. KM added to Silent Valley National Park.
  • Chief Minister of Kerala who dedicated the buffer zone to the Nation on 23rd September 2007:

V S Achuthananthan

  • The National Park along with buffer zone is a part of:

Nilambur Elephant Reserve 

  • The Park is approachable via. Anaikkatty is:

Silent Valley

  • The forests of the Silent Valley National Park harbor some of the most pristine, unique and highly productive forests in the world. 
  • In biogeographical sense Silent Valley and adjoining forests represent:

‘Ecological islands’ 

  • Ecological Island is the condition which prevailed before anthropogenic activities still exists. 
  • The flagship species of the Park is:

Lion tailed macaques

  • Scientific name of lion-tailed macaques is: 

Macaca silenus

  • Tress that helps in the existence of Lion tailed macaques: 


  • The indigenous tribal groups that live within park are: 

Irulas, Kurumbas, Mudugas and Kattunaikkars

  • Silent Valley is located in the South-western corner of Nilgiris. 
  • The highest peak in silent valley is:

Anginda peak (2,383 M)

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