The Trishna Wildlife Sanctuary, 111 kms from Agartala is famous for its rich variety of flora and fauna. Occupying an area of 197.7 sq km, it was established in 1988. The vegetation of the sanctuary consists of four types of forest – the tropical semi-evergreen forest, the east Himalayan lower Bhanar Sal, Moist mixed deciduous forest and the Savanah woodland.
Some of the major attractions of the sanctuary are the Indian Gaur (Bison), Deer, Hooklock Gibbon, Golden langur, Pheasants, Lalmukh Bandar, Wild Boar, Wild Cat, Leopard. It is also a home to a great variety of reptiles and different species of resident and migratory birds .