The Silent Valley National Park with a region of 237. 52 sq km is situated in the Northeastern corner of Palakkad region. It rises suddenly to the Nilgiri Plateau in the North and disregards the fields of Mannarkkad in the South. To a great degree delicate, a one of a kind safeguard of tropical evergreen rain backwoods which is a veritable nursery of widely varied vegetation, some of which are discovered no place else on the planet.
The center of the Nilgiri Biosphere Reserve is the Silent Valley National Park.
Maybe, no place else would one be able to discover such a delegate accumulation of Western Ghats biodiversity – more than 1000 types of blooming plants which incorporate around 110 types of orchids, more than 34 types of well evolved creatures, around 200 types of butterflies, 400 types of moths, 128 types of creepy crawlies of which 10 are new to science, around 150 types of birds including all the 16 endemic birds of southern India.
The River Kunthi plummets from the Nilgiri slopes, from a height of 2000 m above ocean level, and navigates the whole length of the valley and surges down to the fields through the profound canyon. The River Kunthi never turns darker and is dependably perfectly clear, enduring and wild.
The evapo-transpiration from these timberlands is significantly higher than from some other surface. This cools the air, helps simple buildup of water vapor, bringing on summer rains in the fields.