The forest here, slopes into the manmade lake at the bottom of the hill. This lake serves as the waterhole for the animals and they come here to drink or take a dip. Elephants, Gaur, Sambhar and even tigers can be spotted here.
There are boat services which takes the visitor around the lake. The best season to visit the park is between October and June. Spread over 777 sq.km of the Cardamom Hills of Western Ghats, the Periyar sanctuary is located 137 km from Madurai.
Other attractions of the Periyar wildlife sanctuary are the Sambhar, Bison, Spotted Deer, Tigers, Leopards, Malabar Flying Squirrels, Stripe necked Mongooses, etc. There are over 260 species of birds here, including Nilgiri Wood Pigeons, blue-winged Parakeets, White bellied Tree Pies, laughing Thrushes and Fly Catchers.