Located in Siberia, Lake Baikal plunges to more than 1,600 meters, making it the world's deepest lake, and it holds more liquid freshwater than any other lake on Earth, roughly a fifth of the planet's unfrozen surface fresh water. It is also considered the world's oldest lake, at an estimated 25 million years.
Record no. MRB-2026-005635
Deepest and Largest Freshwater Lake by Volume
Reference Record – Not Certified
This record is compiled from publicly available sources for reference. It has not been examined or certified by The Book of World Records.