The Koraiyar River is a non-perennial river in the Tiruvarur district of the

India India, officially the Republic of India (Hindi: ), is a country in South Asia. It is the seventh-largest country by area, the second-most populous country, and the most populous democracy in the world. Bounded by the Indian Ocean on the so ...

n state of

Tamil Nadu Tamil Nadu (; , TN) is a States and union territories of India, state in southern India. It is the List of states and union territories of India by area, tenth largest Indian state by area and the List of states and union territories of India ...

. It is in the southern part of the

Kaveri The Kaveri (also known as Cauvery, the anglicized name) is one of the major Indian rivers flowing through the states of Karnataka and Tamil Nadu. The Kaveri river rises at Talakaveri in the Brahmagiri range in the Western Ghats, Kodagu dis ...

delta that covers much of the region of Chola Nadu. The Koraiyar begins as a

distributary A distributary, or a distributary channel, is a stream that branches off and flows away from a main stream channel. Distributaries are a common feature of river deltas. The phenomenon is known as river bifurcation. The opposite of a distributar ...

of the Vennaaru River where that river is dammed northwest of

Needamangalam Needamangalam (Nidamangalam) formerly Yamunambalpuram, is a town panchayat in Thiruvarur district ( Composite Tanjore Dist) in the Cauvery Delta of Indian state of Tamil Nadu. Needamangalam was originally part of composite Tanjore District (Mad ...

in Needamangalam taluk. After branching off from the Vennaaru, it flows southeast to the southwest of Needamangalam. It continues southeast for some distance, then turns sharply to the east. It follows this eastern course for some distance then turns southward west of

Podakkudi ''Podakkudi''(Shortened as PDK) is a village in Thiruvarur district in the South Indian state of Tamil Nadu. The town is located at a distance of from the district headquarters Thiruvarur and from the state capital Chennai. Podakkudi is known ...

. It follows a southern course through Mannargudi taluk then turns to the southwest north of Thillaivilagam in Thiruthiraipoondi taluk. Flowing to the east of

Muthupet Muthupettai (முத்துப்பேட்டை) is a town in the Thiruvarur district in the Indian state of Tamil Nadu. It is also known as Pearlpet. Muthupet comes under the Thiruthuraipoondi assembly constituency which elects a me ...

, it turns southeast and subsequently empties into Muthupet Lagoon.

References

Tiruvarur district Rivers of Tamil Nadu {{India-river-stub