The park with its wide range of flora and fauna is covered with thick hill forests, mainly evergreen and semi evergreen at plains of coast on the west, grasslands, eucalyptus, casuarinas along with other vegetation are found here. The park is bounded by coffee and tea plantations in India on the north and east boundaries.
The wild animals consists of tiger, leopard, wild dog, jackal, lion tailed macaque, common langur, sloth bear, gaur, sambar, spotted and barking deer, Malabar and giant flying squirrel, porcupine and the mongoose.
The park is predominantly rich in the diversity of birds including rare and endangered species like the Malabar trogon, great pied hornbill, Malabar whistling thrush and the imperial pigeon.
