Compare prices & save money with Tripadvisor® (World's largest travel website). Detailed reviews and recent photos. Know what to expect before you book. The lake is a part of the Vembanad -Kol wetland system which extends from Alappuzha in the south to Azheekkode in the north, making it by far India's longest lake at just over 96.5 km in length. Vembanad Lake is the longest lake in India and the largest in the state of Kerala. Stretching over 200 square kilometers, it spans multiple districts, including Alappuzha, Kottayam, and Ernakulam. The lake ’s unique charm lies in its mix of saltwater and freshwater, making it a thriving hub for a diverse range of wildlife. While the northern part of the lake near Kochi has brackish water due to its connection to the Arabian Sea, the water becomes fresher as you move inland, especially ... Also known locally as the Vembanad Kayal the lake is spread over an area of 2,033sqkm across Alappuzha and Kottayam districts and is the largest freshwater lake in Kerala. A prominent backwater destination in the state, the Vembanad Lake is the lifeline to the locals living in the area.