Eravikulam National Park is situated in the Western Ghats in the Idukki district of Keral State of India. It is first National Park of Kerala spread over 92 square kilometer of land. Government declared the Eravikulam-Rajamala Wildlife Sanctuary in 1975 to protect the habitat of the endangered Nilgiri tahr. It became a National Park in 1978. The highest Peak in India South of the Himalayas is inside this Park. Many Perennial streams criss-cross the Park. They merge to form tributaries of the Periyar River in the west and of the Kavery River in the east.

26 species of mammals have been recorded in the park including the largest surviving population of Nilgiri tahr, other are gaur, Indian muntjac and sambar deer, Golden jackal, jungle cat, wild dog, dhole, leopard and tiger are the main predators. 132 species of birds have been recorded which include endemics like black-and-orange flycatcher, Nilgiri pipit, Nilgiri wood pigeon, white bellied shortwing, Nilgiri flycatcher and Kerala laughingthrush. 19 species of amphibian have been recorded in the park.

Three major types of plant communities are found in the Park – grasslands, shrublands and forests. The terrain above 2000m is covered primarily by grasslands.