| Attribute | Udawalawa × | Bato × |
|---|---|---|
| Bordering countries | ||
| Surface Area (km²) | 36 | 35 |
| Mean Depth (m) | 13.4 | 3 |
| Volume (km³) | 0.26 | 0.21 |
| Shoreline (km) | 50 | - |
| Morphogenesis/Dam | Artificial | Natural |
| Coordinates | ||
| Latitude | 6.458 | 13.328 |
| Longitude | 80.842 | 123.363 |