Silent Valley National Park is a national park in Kerala, India. It is located in the Nilgiri hills and has a core area of 89.52 km2 (34.56 sq mi). It is surrounded by a buffer zone of 148 km2 (57 sq mi). This national park has some rare species of flora and fauna. Silent Valley National Park was explored in 1847 by the botanist Robert Wight. It is located in the border of Mannarkkad Taluk of Palakkad district, Nilambur Taluk of Malappuram district, Kerala, and Nilgiris district of Tamil Nadu.

Nilambur is a major town, a municipality and a Taluk in the Malappuram district of the Indian state of Kerala. It is located close to the Nilgiris range of the Western Ghats on the banks of the Chaliyar River. This place is also known as 'Teak Town' because of the abundance of Nilambur teaks in this area; Which is a variety of a large, deciduous tree that occurs in mixed hardwood forests. Unlike many Municipalities of India; Nilambur is covered with large amounts of vegetation making it close to nature and hence make it very scenic and inspiring.