Kayan River Sungai Kayan, Sungai Bulungan, Sungai Kajan, Sungai Ulungan, Boetoengan Rivier, Bulungan River, Boeloengan Rivier | |
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Location | |
Country | Indonesia |
Physical characteristics | |
Source | |
• location | Borneo |
• elevation | 2,015 metres (6,611 ft) |
Mouth | |
• location | Sulawesi Sea |
• coordinates | 2°54′41.29″N 117°33′14.11″E / 2.9114694°N 117.5539194°E |
Length | 576 kilometres (358 mi) |
Basin size | 33,005 km2 (12,743 sq mi) 33,171.8 km2 (12,807.7 sq mi) |
Discharge | |
• location | Kayan III Hydropower Station, 72 km upstream of Tanjung Selor (basin size 26,260 km2 (10,140 sq mi)[1] |
• average | 2,184 m3/s (77,100 cu ft/s)[1] |
Discharge | |
• location | Tanjung Selor |
• average | 2,454 m3/s (86,700 cu ft/s)[1] (Period of data: 2016–2020)2,261 m3/s (79,800 cu ft/s)[2] |
Discharge | |
• location | Kayan Delta, Sulawesi Sea |
• average | 77.738 km3/a (2,463.4 m3/s) |
Basin features | |
River system | Kayan basin (DAS320024)[3] |
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.[4][5] Tributaries include the Bahau River.