Yoda wewa (the giant lake) is a amazing man made lake located in Southen province in srilanka.this beautiful lake was built by King 'Maharaga" during 3rd century B.C. The purpose of creating the lake to capture the rain water to use for agricultur and daily use of the citizens in dry zone.the water capturing are of the lake is about 1230 acres and it is feeding over 30000 acres of agricultural lands of the sa rounded areas.also this water giant is giving a awesome look to the area.this lake is located also near the well famous national park 'Yala'