This area has a gentle slope towards the Palk Strait of the Bay of Bengal. The distributaries of the Cauvery
viz., Paminiyar, Koriyar, Kandaparichanar, Kilaithangiyar and
Marakkakoraiyar discharge their waters into the wetlands and
form a large ทะเลสาบ before reaching the sea (see Fig. 1).