Bhavani Koodudurai is the meeting place of three rivers. It is also known as Thiriveni Sangamam. The three rivers are Saraswati from the north, Cauvery from the south and River Bhavani. Bathing at this spot is believed to remove all sins. This holy water (Gayathri water) is also believed to bless the childless with children.
There is a temple of Sangameswarar on the banks of the river. It is believed that Thirumal, Kubera, Vyasa, Parasuram , and Viswamitra worshipped here.