The Tirunelveli River, also known as the Tamiraparani River, is a significant river in the southern part of India. It originates from the Western Ghats near the town of Papanasam and flows through the Tirunelveli district before emptying into the Gulf of Mannar. The river is approximately 125 kilometers long and is vital for irrigation and drinking water in the region. The river supports various ecosystems and is home to diverse flora and fauna. It plays a crucial role in agriculture, providing water for crops like rice and sugarcane. The Tamiraparani is also culturally important, with several temples and festivals celebrated along its banks, reflecting the rich heritage of the area.