Thekkady is located about 257 km from Trivandrum, 114 km from Madurai City and Madurai Airport, 185 km from Cochin International Airport and 114 km from Kottayam railway station. Thekkady is located near to Kerala-Tamil Nadu border. The sanctuary is famous for its dense evergreen, semi-evergreen, moist deciduous forests and savanna grass lands. It is home to herds of elephants, sambar, tigers, gaur, lion-tailed Macaques and Nilgiri Langurs.
The Periyar Wildlife Sanctuary is spread across 777 sq kms , of which 360 sq kms is thick evergreen forest. The Wild Life Sanctuary was declared a Tiger Reserve in 1978. The splendid artificial lake formed by the Mullaperiyar Dam across the Periyar River adds to the charm of the park. The greatest attraction of Periyar are the herds of wild elephants that come down to drink in the lake. The Sanctuary can be accessed by a trekking, boating or jeep safari.