The Anamalai Tiger Reserve, also known as Indira Gandhi Wildlife Sanctuary and National Park, is a protected area located in the Western Ghats of Tamil Nadu and Kerala states in India. It was established in 1976 and covers an area of approximately 958 square kilometers. 

The Anamalai Tiger Reserve is spread over an area of about 1,400 square kilometers and is home to a wide variety of flora and fauna, including tigers, leopards, elephants, Indian bison, sambar deer, wild boar, and several species of birds and reptiles.

The reserve is also known for its rich biodiversity and is home to several endangered and endemic species such as the lion-tailed macaque, the Nilgiri tahr, the Nilgiri langur, and the Malabar giant squirrel.

The Anamalai Tiger Reserve offers a variety of activities for visitors, including trekking, bird watching, wildlife safaris, and nature walks. It is an important tourist destination in southern India and attracts a large number of visitors every year.

Location:

The Anamalai Tiger Reserve is located in the Western Ghats mountain range, which is a UNESCO World Heritage site. It is situated in the Coimbatore district of Tamil Nadu and the Palakkad district of Kerala.

Flora:

The reserve is home to a diverse range of plant species, including evergreen forests, moist deciduous forests, and montane shola-grassland ecosystems. The forest cover in the reserve includes teak, rosewood, sandalwood, bamboo, and eucalyptus trees.

Fauna:

The Anamalai Tiger Reserve is known for its rich wildlife population. Apart from tigers, leopards, and elephants, it is also home to several other animals such as gaur, sloth bear, striped hyena, dhole (Indian wild dog), jungle cat, and Indian pangolin. The reserve is also a bird watcher's paradise with over 250 species of birds recorded here, including the great Indian hornbill, white-bellied treepie, and Malabar grey hornbill.

Activities:

Visitors can engage in a variety of activities at the Anamalai Tiger Reserve, including guided wildlife safaris, nature walks, trekking, bird watching, and photography. The reserve also has several watchtowers and viewpoints that offer panoramic views of the forest and its inhabitants.