Maduru Oya is a river that originates in Mahiyangana and flows through Badulla, Monaragala, Ampara, Polonnaruwa and Batticaloa districts, Sri Lanka.
Maduru Oya River M aduru Oya (Sinhala: මාදුරු ඔය; Tamil: மதுரு ஆறு) is a river in eastern Sri Lanka. It originates in Mahiyangana and flows through Badulla, Monaragala, Ampara, Polonnaruwa and Batticaloa districts (Kirupacaran, 2020). Having a length of approximately
135 km, Maduru Oya is the 8th longest river in the country (Ranasinghe et al., 2023; Vithanage, 1988). It joins the Indian Ocean at Kalkudah. Historical Significance The remains of an old sluice were discovered at the site in September 1982, during the preparatory work for the construction of the Maduru Oya Dam (Gunawardana, 1987). The River Basin Extending in an area of about 1,541 km 2 , the Maduru Oya river basin is located with the Mahaweli Ganga basin in the West, Gal Oya basin in the South, and Mundeni Aru and Miyangoda Ela basins in the East (Kirupacaran, 2020). The Maduru Oya watershed begins on the western slopes of the Badulla District and stretches towards the eastern coast of the
Batticaloa District (Ranasinghe et al., 2023). The Madu…
