Kodaikanal Lake, also known as Kodai Lake is a manmade lake located in the Kodaikanal city in Dindigul district in Tamil Nadu, India. Kodaikanal Lake is in the Palni Hills. It is starfish-shaped but with four points, centrally located in the town of Kodaikanal and is surrounded by lush green hills of the Northwestern Palani Hills Kolleru lake, one of the largest freshwater lakes in India, (it was designated a sanctuary in October 1999) is situated between the Krishna and West Godavari districts of Andhra Pradesh. Kolleru is one of the most important wetlands of India. It is a Ramsar site. Naini Lake is the sole source of drinking water for Nainital town, an important tourist destination in Uttarakhand state. It is a natural lake.