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.