The deepest lake in the world is Lake Baikal in Siberia, Russia.
- Maximum Depth: Approximately 1,642 meters (5,387 feet).
- Key Facts:
- It is not only the deepest but also the oldest lake in the world, at an estimated 25–30 million years old.
- It holds about 20% of the world’s unfrozen freshwater, making it the largest freshwater lake by volume.
- It’s a UNESCO World Heritage Site, known for its unique and diverse ecosystem, with thousands of plant and animal species found nowhere else on Earth.
For comparison, the second-deepest lake is Lake Tanganyika in Africa, with a maximum depth of about 1,470 meters (4,823 feet).