| name | image | Average flow (m³/s) | basin (m²) | Height (m) | origin location | mouth location | Length (m) | latitude (°) | longitude (°) | canyon | Map |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Belait language |  | 2,700,000,000 | South China sea | 206,000 | 4.5916666700 | 114.1805555600 | Map | ||||
| Brunei River |  | 765,000,000 | Brunei Bay | 41,000 | 4.8075000000 | 114.8428000000 | Map | ||||
| Pandaruan River | Brunei Bay | 36,770 | 4.7950000000 | 115.0402777800 | Map | ||||||
| Sungai Tutong |  | 1,300,000,000 | South China sea | 4.7666666667 | 114.6000000000 | Map | |||||
| Biang Tapang River | 4.6666666667 | 115.1000000000 | Map |