Lake Baikal, also known as the Pearl of Siberia, is a freshwater lake in Southern Siberia in Russia. It is nestled between the Irkutsk region and the Republic of Buryatia. Also, it is North of the Mongolian border.
It is the deepest Lake in the world, with a depth of about 5,387 feet (1,642 meters). Besides being the deepest lake, it is the largest freshwater lake by volume. More than 300 rivers and streams feed this lake.