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Silent Valley National Park

Silent Valley National Park is a extremely fragile, a unique preserve of virgin tropical forest located in the Nilgiri Hills, in the Palakkad district in Kerela, South India. The park forms the core of the Nilgiri International Biosphere Reserve and is locally known as Sairandhrivanam, meaning forest in the valley.

On a secluded plateau, in South India, Kerala, you can discover a tropical evergreen rain forest.  Silent Valley lies above the equator which causes summer rains to fall in Kerala from June-July.  It is the core of the Nilgiri International Biosphere Reserve and part of The Western Ghats World Heritage Site, Nilgiri Sub-Cluster under consideration by UNESCO.
The Silent Valley National Park is adjacent to the Attappadi Reserve Forests in the East, the Palghat and Nilambur forest divisions in the West and South and the Nilgiri Forests in the North.

While exploring the region in 1847 British botanist Robert Wright was intrigued to find a tropical forest with no trace of any sound from cicadas; the area subsequently was named “Silent Valley”. 
The national park is located in the north-eastern part of the  Palakkad district in South India and covers an area of 89.54 sq/km along the Kunthi River Valley.
The valley is surrounded by high ridges. Towering, vertical cliffs of the Nilgiri Mountains surround it on all sides, cutting it off from the rest of the world. It is one of the few places in India with no human habitation, because it has always been difficult to reach, even on foot; it has remained a well-preserved biodiversity treasure trove.
The crystal clear water of the wild Kunthi River descends from the Nilgiri Hills and traverses the entire length of the valley before moving to the plains and through the deep forest.

The park is divided into four divisions: Nilikkal, Sairandhri, Poochipara and Walakkad. Only Sairandhri is accessible tovisitors.

A trek up the hill takes about 4-5 hours.  Lush greenery greets the eye in Silent Valley.
The valley has till date managed to be cut off from commercialization and is untarnished by man due to its unique topography of steep slopes and peaks safeguarding a very rich bio-diversity. It is a storehouse of rare and valuable plants and animals.
In 2003, the discovery of a new frog species  was made; this species is considered to be of the Jurassic era and scientists are of the unanimous opinion, that Silent Valley is one of the richest expression of life on earth. 
Ecological win:
The park was set up in 1984 after a world wide campaign and  by scientists, researchers, ecologists, environmentalists and nature lovers to stop the Kerala government’s proposal of constructing a dam on the Kunthi River to install a hydroelectric power project. The debate of development over environment continued for nearly a decade, but finally the park was declared a bio diversity hot spot.
Visitors are few as the place is still not commercialized. About 80% of the land is covered with woody vegetation and 20% by grassland. The park shelters 110 plant species of medicinal value and has around 26 species of mammals. The park also has over 100 species of colourful butterflies. The Lion Tailed Macaque, a medium sized monkey species, is one of the valley’s famous residents, as are the Great Indian Hornbill and Nilgiri Tahr. Other animals found in abundance include leopards, tigers and snakes. The King Cobra is one of the prized possessions of this place.
The International Union for the Conservation of Nature and Natural Resources has listed the Lion Tailed Macaque and the Nilgiri Langur as endangered animals.  Dawn and dusk are the perfect timings to catch the animals in their natural habitat. 
For nature lovers, trekkers and researchers Silent Valley is an ideal destination. Cut off from civilization, nestled in the mountain folds of the Nilgiris in God’s own country, Kerela, Silent Valley is surely God’s abode.
Trekking Routes:
Only Serious trekkers enjoy trekking in this terrain. Trekkers have to procure requisite permits from the forest department office at Mukkali. The Trek to Poochipara is a 7 km steep climb from Sairandhiri and takes about 3 hours. The forest department has set up camps in the forest where trekker’s can stay.
A long 4-day trek covers Mukkali – Sairandhiri – Poochipara – Walakkad – Sispara - Anginda. A guide assigned by the forest department accompanies trekkers through the trek.

Watch Tower and Walking trail
There is a watch tower overlooking the jungle in Sairandhri. The path offers excellent opportunities for bird-watching. The watch tower at the end of the road offers breathtaking views of the magnificent mountains; travellers will be able to see the settlements of the indigenous Mudukar tribal community. A 1.5 km trail from here leads to a hanging bridge across the Kunthi River; the trail is ideal for a short trek. One can swim in the Kunthi river.
Nearby places Train stations Airports
Coimbatore Main Junction
Nearby major cities
Name Distance Duration
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Best Seasons
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Season Min. Temp. Max. Temp.
Summer 25 °C 35 °C
Winter 10 °C 20 °C
The climate at Silent Valley National Park is warm in summer and pleasant in winter. The park is open the year round but the best time to visit would be just after the monsoons, from September till late March.

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