| Attribute | Hachiro × | Sagami × |
|---|---|---|
| Bordering countries | ||
| Surface Area (km²) | 46 | 3 |
| Mean Depth (m) | 4 | 19 |
| Volume (km³) | 0.14 | 0.06 |
| Shoreline (km) | 70 | 34.4 |
| Catchment Area (km²) | 823 | 1064 |
| Residence Time (yr) | 0.08 | 0.05 |
| Frozen Period | Dec-Mar | None |
| Mixing Type | Polymictic | Monomictic |
| Morphogenesis/Dam | Remainder of Hachiro-gata (1978) | Sagami dam (1947) |
| Coordinates | ||
| Latitude | 39.924 | 35.615 |
| Longitude | 140.022 | 139.195 |