Lake Baikal, among the deepest lakes, and the largest freshwater lake in the world, located in the Russian mountainous region of Siberia, is included in the list of UNESCO Natural World Heritage Sites, and the lake is home to nearly 1,800 species of plants and marine organisms, surrounded by a network of trails For long walks, which are meant for adventurers of nature lovers, in addition to the lake becoming a destination for skiers in winter periods, as its surface freezes.