Grizzled Giant Squirrel sanctuary, Srivilliputhur

Srivilliputhur is located at 9.5161°N 77.63°E. The town is located at the foot hills of the Western Ghats 77 km (48 mi) south west of Madurai. It has an average elevation of 137.2 metres (450 ft) above mean sea level. There are no notable mineral resources available in and around the town. Srivilliputhur receives scanty rainfall with an average of 811 mm (31.9 in) annually, which is lesser than the state average of 1,008 mm (39.7 in). The South west monsoon, with an onset in June and lasting up to August, brings scanty rainfall. Bulk of the rainfall is received during the North East monsoon in the months of October, November and December.

Shenbaga Thoppu is a forest located 8 km (5.0 mi) west of Srivilliputhur. These forests are found on the eastern slopes of the Western Ghats. Many rare and endemic varieties of flora and fauna are found along the mountain slopes. A wildlife sanctuary, spread over 480 km² (190 sq mi) was established in 1989 at Shenbaga Thoppu. The sanctuary is contiguous with the Periyar tiger reserve on the south-western side and the Megamalai reserve forest on the north-western side. The sanctuary is home to the endangered, arboreal Grizzled Giant Squirrel (Ratufa macrora). The sanctuary also hosts birds, mammals, reptiles and butterflies. Resident and migratory elephants are common. Other animals sighted are tiger, leopard, Nilgiri thar, spotted deer, barking deer, sambar, Wild Boar, porcupine, Nilgiri langur, lion-tailed macaque, common langur, slender loris, bonnet macaque, sloth bear, Gaur (Indian Bison) and flying squirrel.