The Nambiyar river runs across Nanguneri taluk in Tirunelveli district in Tamil Nadu state in India. It is a small river which runs for only 45km (28miles). The river originates from near Thirukkurungudi village in the Western Ghats, about 1500m (4,900feet) above sea level, and ends at the Gulf of Mannar.[1]
The river has two tributaries called Parattaiyar and Thamaraiyar. Parattaiyar is a small stream originating from Mahendragiri Hills. Thamaraiyar is a combination of two small streams also originating in the same hills named Mombaiyar and Kodumudiyar. Both the tributaries join Nambiyar at the foothills of Mahendragiri Hills.
The river has a total number of nine anaicuts.