where is the world's largest freshwater lake
1 Lake Baikal, located in Siberia, Russia, has a surface area of only 31,727 km2 (12,250 square miles) but it is the lake with the largest water volume in the world, holding about 20% of the world's total fresh water. 2  At 1,620 meters, nearly a mile deep, Lake Baikal is also without doubt the world's deepest lake.o. Lake Albert is Africa's 7th largest lake. Lake Victoria is Africa's largest lake and the worlds second largest lake (by area).