Tonle Sap Lake — Cambodia Facts
Southeast Asia's largest freshwater lake — expands 5x during rainy season. Tonle Sap is a unique hydrological system. During the dry season, the lake covers ~2,500 km². During
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Tonle Sap Lake
Southeast Asia's largest freshwater lake — expands 5x during rainy season
Tonle Sap is a unique hydrological system. During the dry season, the lake covers ~2,500 km². During the monsoon, the Mekong River reverses flow into the lake, expanding it to ~12,000 km²—five times its dry-season size. This natural phenomenon supports one of the world's most productive inland fisheries, providing protein to millions of Cambodians.
Key Data Points
Dry season
~2,500 km²
Wet season
~12,000 km²
Fish species
200+
Supported people
~3 million
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