The Nilgiri Biosphere Reserve is a biosphere reserve in the Nilgiri mountains of the Western Ghats in South India. It is the largest protected forest area in India, spreading across Tamil Nadu, Karnataka and Kerala

Koonthankulam Bird Sanctuary or Kunthankulam is a 1.2933 km² protected area declared as a sanctuary in 1994. It adjoins the tiny village of Koonthankulam in Nanguneri Taluk of Tirunelveli district, Tamil Nadu, India. It is just 38 km away from Tirunelveli

Photo By Jean Nettar

Kalakkad Mundanthurai Tiger Reserve located in the South Western Ghats montane rain forests in Tirunelveli district and Kanyakumari district in the South Indian state of Tamil Nadu, is the second-largest protected area in Tamil Nadu. It is part of the Agasthyamala Biosphere Reserve