The Periyar River is one of the longest rivers in the Indian state of Kerala. It flows for about 244 kilometers and is often referred to as the "Lifeline of Kerala" due to its importance for irrigation and drinking water. The river originates from the Western Ghats and eventually empties into the Arabian Sea. The Periyar River is also known for its rich biodiversity and scenic beauty. It passes through the Periyar National Park, which is home to various wildlife species, including elephants and tigers. The river supports local agriculture and is vital for the economy of the surrounding regions.