Sembuwatta Lake is a tourist attraction situated at Elkaduwa in the Matale District of Sri Lanka, adjacent to the Campbell’s Lane Forest Reserve. Sembuwatta Lake is a man-made lake created from natural spring water. Alongside the lake is a natural swimming pool.

Sembuwatta Lake is believed to be 9 m (30 ft) to 12 m (39 ft) deep. Currently, the lake belongs to the Elkaduwa Plantations and produces electricity for the nearby villagers. This lake is very famous among Arab Travelers & they have even named it “Jannathul Dunya – The Heaven on Earth”.