Manasarovar Lake lies at 4,556 m above mean sea level. It is the highest fresh-water lake in the world. Lake Manasarovar is relatively round in shape. The perimeter of Mansarovar is 88-km, its deepness is 90m and total area is 320-sq-kms. The lake freezes in the winters and liquefies only in spring. It looks incredibly fascinating on moonlit nights when an ethereal ambience pervades the atmosphere. The circumference of Rakshas Tal, also known as "Ravan Kund", is 122-km. A 6-km long natural channel - "Gangachhu" - connects Manas with Rakshas Tal. Lake Mansarovar is a place of pilgrimage, attracting religious people from India , Tibet and the neighboring countries. Bathing in the Manasa Sarovar and drinking its water is believed to cleanse all sins. Pilgrimage tours are organized regularly, especially from India , the most famous of which is the Kailash Mansarovar Yatra which takes place every year. Pilgrims come to take ceremonial bathes in the cleansing waters of the lake.