Vembanad Kayal -the largest of the lakes and India's longest lake, covers an area of 200 sq km, and is bordered by Alleppey, Kottayam, and Ernakulum districts. Vembanad Lake is an amazing picnic spot with fast developing backwater tourism, offering fishing, boating and other sightseeing experiences. Vembanad Lake gives you an opportunity to explore the rich flora and fauna and it happens to be a great aqua tourism destination.