Made in USA, this is our breathtaking Map of Lake Baikal in Siberia, Russia! Lake Baikal is the largest freshwater lake by capacity in the world, containing 22-23% of the world's fresh surface water. With 5,670 cubic miles of fresh water, it contains more water than the North American Great Lakes combined and with maximal depth of 5,387 feet, Baikal is the world's fathomless lake! It is considered among the world's clearest lakes and is considered the world's oldest lake – at 25 to 30 million years. It is the seventh-largest lake in the world by surface expanse. Lake Baikal contains 27 islands; the largest, Olkhon, is 45 miles long and is the third-largest lake-bound island in the world. The lake is nourished by as many as 330 inflowing rivers!