Nallambal Lake (French: Lac Nalambal) is the only lake artificially made in Karaikal district, Puducherry in India.
This lake was made in the village of Nallambal near Thirunallar town.
The lake was developed at a cost of about â¹4.98 crore. The government of Puducherry created this lake artificially to satisfy the irrigational needs of farmers. It also has plans to turn the lake into a tourist spot.