| Attribute | Inba-numa × | Kojima × |
|---|---|---|
| Bordering countries | ||
| Surface Area (km²) | 12 | 11 |
| Mean Depth (m) | 1.7 | 1.6 |
| Volume (km³) | 0.02 | 0.01 |
| Shoreline (km) | 26.4 | 27.5 |
| Catchment Area (km²) | 487.18 | 532.75 |
| Residence Time (yr) | 0.08 | 0.07 |
| Mixing Type | Polymictic | - |
| Morphogenesis/Dam | - | Reservoir at a river mouth (1959) |
| Coordinates | ||
| Latitude | 35.749 | 34.584 |
| Longitude | 140.192 | 133.945 |