Lake Baikal is known not only in our country but also abroad. Thanks to experts, scientists and social movements Lake Baikal is included in the List of World Heritage Site. The area of the Baikal natural territory is about o 386 thousand square km.Baikal is located almost in the center of Asia. Its length is 636 km, maximum width is about 79.5 km. Baikal was formed about 30 million years ago and is the oldest lake in the world., the smallest is about 25 km. It is located in great cavity, which continues to extend about 2 cm per year. Baikal - mountain lake, its level above the world's oceans for 445 meters. Bottom of the lake is located almost 1,200 meters below sea level.