| Attribute | Suwa × | Kojima × |
|---|---|---|
| Bordering countries | ||
| Surface Area (km²) | 13 | 11 |
| Mean Depth (m) | 4.7 | 1.6 |
| Volume (km³) | 0.06 | 0.01 |
| Shoreline (km) | 15.9 | 27.5 |
| Catchment Area (km²) | 515.3 | 532.75 |
| Residence Time (yr) | 0.11 | 0.07 |
| Frozen Period | Jan-Feb | - |
| Mixing Type | Dimictic | - |
| Morphogenesis/Dam | techtonic | Reservoir at a river mouth (1959) |
| Coordinates | ||
| Latitude | 36.05 | 34.584 |
| Longitude | 138.084 | 133.945 |