Silent Valley National Park
The Silent Valley Park spread over area of 90 sq km, in the Palakkad district of Kerala is a unique preserve of natural rainforest. It is a habitat for wide variety of plants and animals. It ascends rapidly to the Nilgiri Plateau in the north. This park is the center of Nilgiri Biosphere Reserve. The serene and calm valley with magnificent natural beauty leads to its name silent valley. The crystal clear river, Kunthi, descends from the Nilgiri hills, flows through the entire valley.
The valley presents a delegate collection of peninsular mammals, 150 species of birds, 128 species of beetles, 400 species of moths and 200 species of butterflies and other fauna like the Nilgiri Laughing Thrush, the Great Indian Hornbill, Ceylon Frog Moth and the Lion-tailed Macaque.