Marbel River
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Marbel River
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.svg)  .svg) | |
| Location | |
| Country | Philippines |
| Region | Soccsksargen |
| Province | Cotabato |
| Physical characteristics | |
| Source | foot of Mount Apo |
| Mouth | Kabacan River |
• coordinates | 7°07′13″N 124°53′05″E / 7.12023°N 124.88469°E |
| Basin features | |
| Progression | Marbel–Kabacan–Pulangi–Mindanao |
The Marbel River, also known as the Marbol River and the Sulphur River, is a river in the province of Cotabato in the Philippines. It is located at the foot of Mount Apo. The Marble River connects to the Kabacan River in Cotabato, a tributary of the Pulangi River which empties into the Rio Grande de Mindanao in Cotabato City.