Madu Ganga is a minor watercourse which originates near Uragasmanhandiya in the Galle District of Sri Lanka, before widening into the Madu Ganga Lake at Balapitiya. The river then flows for a further a 4.4 km before draining into the Indian Ocean. It is located 88 km south of Colombo and 35 km north of Galle.many foreigners visit to see beauty of the madu river via boat safari .if you visit to downsouth in srilanka do not forget to visit madu river