Kayan River
| Kayan River Sungai Kayan, Sungai Bulungan, Sungai Kajan, Sungai Ulungan, Boetoengan Rivier, Bulungan River, Boeloengan Rivier | |
|---|---|
| Panoramic Kayan River | |
| Location | |
| Country | Indonesia | 
| Physical characteristics | |
| Source | |
| • location | Ukeng Mountains, Borneo | 
| • coordinates | 1°34′49.6992″N 114°53′12.408″E / 1.580472000°N 114.88678000°E | 
| • elevation | 2,015 m (6,611 ft) | 
| Mouth | |
|  • location | Sulawesi Sea | 
|  • coordinates | 2°54′41.29″N 117°33′14.11″E / 2.9114694°N 117.5539194°E | 
|  • elevation | 0 m (0 ft) | 
| Length | 576 km (358 mi) | 
| Basin size | 33,171.8 km2 (12,807.7 sq mi) | 
| Discharge | |
| • location | Kayan Delta | 
| • average | (Period: 1996–2005)77.738 km3/a (2,463.4 m3/s) | 
| Basin features | |
| Progression | Sulawesi Sea | 
| River system | Kayan River | 
| Tributaries | |
| • left | Nawan, Pengean, Iwan, Gat, Kajananiot, Kajananbaula, Peto, Bahau, Peso, Brun, Pimping | 
| • right | Tekwau, Langan, Laham, Kayaniat, Lejo, Pangean, Keburau, Sajau, Binai | 
The Kayan River is a river of Borneo island, flowing in the North Kalimantan province of Indonesia, about 1,600 km northeast of the capital Jakarta.