Vaippar River
The Vaippar is 130 kilometres (81 mi) long, with a drainage basin 5,288 square kilometres (2,042 sq mi).
The river basin is located on South of Vagai river. The Arjuna river joins with Vaippar river at Irukkangudi where famous Mariamman temple is located. The Vaippar river has a reservoir at Vembakottai dam.The river also has a reservoir at Irukkangudi dam.
The Vaippar River is used for agriculture throughout its length and is mainly used for making salt in the Tuticorin district.
The Vaippar has many dams including Vembakottai dam, Irrukkankudi dam etc.,The Vaippar river flows through the following cities - Vembakottai (Virudhunagar district), Sattur (Virudhunagar district), Villathikulam (Tuticorin district).
During Pongal festival, people celebrate an event called manal medu thiruvila (மணல் மேடுத் திருவிழா) in Sattur, near the river.