Vembanad otherwise called Vembanad Kayal or Vembanad Kol is the longest lake in India, and furthermore the biggest lake inside the province of Kerala. It's conjointly checked joined of the most imperative lakes in India. Spreading over numerous areas inside the province of Kerala, it's called Punnamada Lake in Kuttanad, Kochi Lake in Kochi. Numerous groups of small islands and also Vypin, Mulavukad, Vallarpadam, Willingdon Island are settled inside the Kochi Lake parcel. Kochi Port is made round the Willingdon Island, and furthermore the Vallarpadam island. The national pioneer Trophy race is led in an exceptionally segment of the lake. Elevated amounts of contamination are distinguished at bound hotspots of the Vembanad backwaters. Legislature of India has known the Vembanad arrive underneath National Wetlands Conservation Program.