Poso River

The Poso is a river of Central Sulawesi on Sulawesi island, Indonesia, about 1600 km northeast of the capital Jakarta.^[2] The Poso is approximately 100 km long and flows from Lake Poso, about 2 km west of the town of Tentena to the city of Poso and then into the Gulf of Tomini.^[3]

Poso River Sungai Poso, Koro Poso, Soengai Posso
The Poso River, at Poso, May 1919.
Location of river mouth Show map of Sulawesi Poso River (Indonesia) Show map of Indonesia
Native name	Sungai Poso (Indonesian)
Location
Country	Indonesia
State	Central Sulawesi
Physical characteristics
Source	Lake Poso
• location	Tentena
Mouth	Gulf of Tomini
Length	100 km (62 mi)
Basin size	2,673.4 km2 (1,032.2 sq mi)[1]
Discharge
• location	Near mouth
• average	119.9 m3/s (4,230 cu ft/s)[1]
Basin features
River system	Poso River

Geography

The river flows in the central area of Sulawesi with predominantly tropical rainforest climate (designated as Af in the Köppen-Geiger climate classification).^[4] The annual average temperature in the area is 22 °C (72 °F). The warmest month is October, when the average temperature is around 23 °C (73 °F), and the coldest is January, at 20 °C (68 °F).^[5] The average annual rainfall is 2,715 millimeters (106.9 inches). The wettest month is December, with an average of 368-millimeter (14.5 in) rainfall, and the driest is September, with a 66-millimeter (2.6 in) rainfall.^[6]

Poso River
Climate chart (explanation)
J F M A M J J A S O N D     268     22 19     159     24 20     240     24 18     356     24 18     368     25 20     229     23 20     262     24 19     149     25 20     66     26 19     152     26 20     257     24 20     211     23 20 █ Average max. and min. temperatures in °C █ Precipitation totals in mm Source: [5]
Imperial conversion J F M A M J J A S O N D     11     72 66     6.3     75 68     9.4     75 64     14     75 64     14     77 68     9     73 68     10     75 66     5.9     77 68     2.6     79 66     6     79 68     10     75 68     8.3     73 68 █ Average max. and min. temperatures in °F █ Precipitation totals in inches

See also

• List of drainage basins of Indonesia
• List of rivers of Indonesia
• List of rivers of Sulawesi