“Lake Baikal contains about 20% of the world's fresh surface water”

It might seem unbelievable that a single lake could hold such a significant portion of the world's fresh surface water. Many people associate immense water reserves with vast surface areas, and while Lake Baikal is indeed large, it isn't the lake with the greatest surface area. This often leads to skepticism about the claim, making it sound more like an exaggeration than a verifiable fact. The truth, however, lies not just in its breadth, but in its extraordinary depth.

Scientific evidence strongly supports the remarkable capacity of Lake Baikal. Located in Siberia, this ancient body of water is the deepest lake on Earth, plunging to a maximum depth of 1,642 meters (5,387 feet). This incredible depth is a direct result of its formation within a geological rift valley, where tectonic forces have been gradually pulling the Earth's crust apart for 25-30 million years, continuously deepening its basin. This unique geological history allows Lake Baikal to contain an enormous volume of water, so much so that it holds more water than all of the North American Great Lakes combined.

Therefore, the common belief that Lake Baikal contains approximately 20% of the world's unfrozen fresh surface water is entirely accurate. Its unparalleled depth, rather than its surface area alone, accounts for this staggering volume. This makes Lake Baikal not only a vital global freshwater reservoir but also a unique natural wonder, home to thousands of species, many of which are found nowhere else on Earth.