| Attribute | Inba-numa × | Nagase × |
|---|---|---|
| Bordering countries | ||
| Surface Area (km²) | 12 | 2 |
| Mean Depth (m) | 1.7 | 28.2 |
| Volume (km³) | 0.02 | 0.05 |
| Shoreline (km) | 26.4 | - |
| Catchment Area (km²) | 487.18 | 295 |
| Residence Time (yr) | 0.08 | 0.06 |
| Frozen Period | - | None |
| Mixing Type | Polymictic | - |
| Morphogenesis/Dam | - | Nagase Dam (1957) |
| Coordinates | ||
| Latitude | 35.749 | 33.704 |
| Longitude | 140.192 | 133.865 |