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Discovering Lake Baikal: Location and Significance of the Worlds Deepest and Oldest Ice-Covered Lake

Travel24 Feb 2026 21:40 GMT+7

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Discovering Lake Baikal: Location and Significance of the Worlds Deepest and Oldest Ice-Covered Lake

Lake Baikal It is not just an ordinary tourist spot but one of the greatest natural phenomena on Earth. It is not only a "deep and large lake" but also millions of years old, becoming a natural wonder and a valuable scientific and ecological study site for researchers worldwide.

Getting to know "Lake Baikal" Where is it located and why is it registered as a natural World Heritage Site? Natural Heritage

Lake Baikal (Lake Baikal) is located in southeastern Siberia,Russia.Covering approximately 3.15 million hectares, it is the oldest lake in the world at about 25 million years old and also the deepest, with a depth of around 1,642 meters.

A key feature of Baikal is that it holds up to 20% of the world's unfrozen fresh water, an enormous amount compared to global freshwater systems. Due to its isolation from other ecosystems, Lake Baikal is one of the most biologically diverse freshwater ecosystems globally and provides crucial data for studying the evolution of life.

UNESCO has officially registered Lake Baikal as a"Natural World Heritage Site"recognizing it as an outstanding natural area in terms of ecosystem, natural beauty, geological processes, and biodiversity.

The history of "Lake Baikal"

Lake Baikal is considered the oldest lake on Earth, believed to be about 25 million years old, dating back to the early stages of life evolution on the planet.

Its great depth and age result from the"tectonic rift"(Rift Valley) event millions of years ago, when Earth's crust plates shifted apart, creating a deep depression that filled with water, forming the lake's current depth.

This geographic isolation millions of years ago led to Lake Baikal developing a unique ecosystem, home to rare aquatic species and plants found only here, earning it the nickname"Galapagos of Russia"(Galapagos of Russia).

When do tourists usually visit "Lake Baikal"? Tourists mostly choose to arrive at

"Irkutsk" or Irkutsk International Airport because it offers convenient onward travel and more tour options. The most popular season to visit is "winter."This season features stunning, unique landscapes, as the lake freezes over, allowing visitors to explore various routes by vehicle. Winter at Lake Baikal runs from late December to March each year, with typical temperatures between -15°C and -25°C, sometimes dropping below -30°C.Currently, Lake Baikal remains one of the world's most pristine and beautiful lakes. Its great depth and ancient age preserve its ecosystem integrity, making it a vital scientific research site and a destination for travelers seeking an intensely cold natural experience. Visitors should prepare thoroughly and follow all safety regulations.

Source of information:

UNESCO World Heritage Centre