| Attribute | Fierza × | Asejire × |
|---|---|---|
| Bordering countries | - | |
| Surface Area (km²) | 73 | 15 |
| Catchment Area (km²) | 11829 | 7175 |
| Morphogenesis/Dam | Fierza Hydropower Station (1978) | Dam @ 7.3629N, 4.1331E on Osun River |
| Coordinates | ||
| Latitude | 42.251 | 7.366 |
| Longitude | 20.046 | 4.134 |