- Anaimalai Tiger Reserve is located in the Anaimalai Hills of Pollachi and Valparai taluks of Coimbatore District and Udumalaipettai taluk in Tiruppur District, Tamil Nadu, India.
- It was earlier known as Indira Gandhi Wildlife Sanctuary and National Park.
- In 1976, the Anamalai Wildlife Sanctuary was established.
- In 2003, Anamalai Parambikulam Elephant Reserve was created. The tiger reserve forms part of the Anamalai Parambikulam Elephant Reserve.
- In 2007, the Anamalai Wildlife Sanctuary was upgraded to the status of a tiger reserve under the Project Tiger.
- Area: The Anamalai Tiger Reserve covers an area of approximately 958 square kilometers (369 square miles).
- Core: 958.59 sq km
- Buffer: 521.28 sq km
- Total: 1479.87 sq km
- Hills: The Anamalai Tiger Reserve is located in the Anaimalai Hills, also known as the Anamalai Hills or Elephant Hills. These hills are part of the Western Ghats mountain range.
- River: Some of the major rivers that flow through the Anamalai Tiger Reserve are:
- Bhavani River
- Nallar River
- Attakallar River
- Thirumurthy River
- Sholiyar River
- Aliyar River
- Tribe: Some of the tribes that reside within or near the Anamalai Tiger Reserve are:
- Kadars
- Malasars
- Malaimalasar
- Pulaiyars
- Muduvars
- Eravallan (Eravalar)
- Flora: Evergreen Forests (teak, rosewood, ebony, and ironwood), Moist Deciduous Forests (Indian laurel, Indian kino tree, and Indian rosewood), Bamboo, Grasslands, Orchids etc.
- Fauna: Tiger, Leopard, Asiatic elephant, Sambar, Spotted deer, Gaur, Nilgiri tahr, Lion Tailed Macaque, Nilgiri langur, Sloth bear, Nilgiri marten, Malabar Woodshrike, Nilgiri Flowerpecker, Nilgiri forest lizard etc.
- The Anamalai Tiger Reserve is known for its enchanting displays of fireflies. Fireflies are bioluminescent insects that emit light, creating a mesmerizing natural spectacle.