The Mudumalai Wildlife Sanctuary, which is also referred to as a National Park, is located in Tamil Nadu, which is the base of the Nilgiris.

Calimere Wildlife Sanctuary is a coastal island 56 km from Nagapattinam,Kodikkarai Wildlife Sanctuary in Thanjavur is popular in Tamilnadu.  

Beautiful Avalanche Lake is in Avalanche village in Tamil Nadu's Nilgiris district, 5 km from Emerald Lake, 23 km from Ooty, and 33 km from Coonoor. Ecotourism and Ooty's best attraction are popular. 

Arignar Anna Zoological Park in Vandalur is 38 km from Chennai Central Railway Station. Vandalur Zoo, one of India's best, is a must-see on the Chennai Tour. 

Annamalai Tiger Reserve in Tamilnadu's Western Ghats is 38 km from Pollachi and 76 km from Coimbatore. This popular Indian tiger reserve must be included in Pollachi tours. 

Mukurthi National Park in Tamil Nadu's Nilgiris is 40 km from Ooty. It's a top Ooty Tour Package destination and South India's most beautiful wildlife sanctuary. 

The Vedanthangal Bird Sanctuary is 53 km from Mahabalipuram and 89 km from Chennai. An old water bird sanctuary, this is a popular Chennai weekend getaway. 

Kinthankulam Bird Sanctuary is in Koonthankulam village, Nanguneri Taluk, 31 km from Tirunelveli. Tirunelveli birders visit South India's largest breeding water bird reserve. 

Under the Javadu hills of Tellai across the Amirthi River, 27 km from Vellore Town Railway Station, is Amirthi Zoological Park.  The park is named after the nearby Amirthi River.