Amaravathy River

Amaravathi River
River Amaravathi and its tributaries
Country	India
Location	Idukki District, Kerala
Basin features
Main source	Anamalai Hills, Chinnar River, Pambar River at 473 meters (1,552 ft) 10°21′2″N 77°14′14″E / 10.35056°N 77.23722°E / 10.35056; 77.23722
River mouth	Karur at 360 feet (110 m) 10°57′36″N 78°4′53″E / 10.96000°N 78.08139°E / 10.96000; 78.08139Coordinates: 10°57′36″N 78°4′53″E / 10.96000°N 78.08139°E / 10.96000; 78.08139
Basin size	8,380 square kilometers (3,240 sq mi)
Physical characteristics
Length	282 kilometers (175 mi)

The Amaravati River is the longest tributary of Kaveri River in fertile the districts of Karur and Tirupur, Tamil Nadu state, South India.

The 282-kilometre (175 mi) long Amaravati River begins at the Kerala/Tamil Nadu border at the bottom of Manjampatti Valley between the Annamalai Hills and the Palni Hills in Indira Gandhi Wildlife Sanctuary and National Park in Tirupur district. It descends in a northerly direction through Amaravathi Reservoir and Amaravathi Dam at Amaravathinagar. It is joined by the Kallapuram River at the mouth of the Ajanda valley in Udumalaipettai. Through Dharapuram and Aravakurichi it joins with the Kaveri at Thirumukkudal, about 10 kilometres (6 mi) from Karur.

Nanganji, Kudavanar, Shanmuga nadhi, Uppar, Kudumiar, Thenar and so many tributaries are joint with the Amravati river. It has the Tributary of the Pambar and Chinnar rivers from Kerala also.

This river irrigates over 60,000 acres (240 km²) of agricultural lands in Tiruppur and Karur districts. The Amaravathi Dam has 4 Megawatts of electricity generating capacity installed. The Amaravathi River and its basin, especially in the vicinity of Karur, are heavily used for industrial processing water and waste disposal and as a result are severely polluted due to large amount of textile dyeing and bleaching units. But nowadays in karur, the changes are vicinity by seeing Amaravati river on its clean surface because of pollution controlled by government.