| name | image | Average flow (m³/s) | basin (m²) | Height (m) | origin location | mouth location | Length (m) | latitude (°) | longitude (°) | canyon | Map |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Jänhijoki (river) |  | Loimijoki | 27,434 | 60.7998166700 | 23.4301666700 | Map | |||||
| Petäjoki |  | Loimijoki | 21,000 | 60.8602333100 | 22.9780502300 | Map | |||||
| Punkalaitumenjoki |  | Loimijoki | 53,200 | 61.1841333300 | 23.2632500000 | Map | |||||
| Palojoki, Satakunta |  | Loimijoki | 45,290 | 61.0942166667 | 22.6832166667 | Map | |||||
| Kojonjoki |  | Loimijoki | 70,200 | 60.9426498400 | 22.9260826100 | Map |