00:00 Lake Baikal is a freshwater lake situated in southeast Russia. It is regarded as the oldest biggest and deepest freshwater lake in the world. Here are some intriguing facts about Lake Baikal. The first is age Lake Baikal is estimated to be around 25 million years old. It makes it one of the oldest and most distinctive freshwater lakes on the globe. The second is size Lake Baikal is around 400 miles or 644 kilometers long and has a surface area of about 31 500 square miles or 81 000 square kilometers The third is depth Lake Baikal is extraordinarily deep, with a maximum depth of 5387 feet or 1642 meters. It makes it the deepest lake in the world with the largest volume of fresh water. The fourth is biodiversity A wide variety of plant and animal species may be found there many of which are unique to Lake Baikal. For instance, the lake is home to an unusual type of freshwater seal and is thought to support around 2 500 different plants and animal species. The fifth is water