| name | image | Average flow (m³/s) | basin (m²) | Height (m) | origin location | mouth location | Length (m) | latitude (°) | longitude (°) | canyon | Map |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Manyas Çayı | Simav River | 150,000 | 40.2454870000 | 28.3970400000 | Map | ||||||
| Adırnaz Çayı | Simav River | 250,000 | 40.2125960000 | 28.3983550000 | Map | ||||||
| Nilüfer River | 850 | Simav River | 203,000 | 40.2994444400 | 28.4572222200 | Map |