Walanae River Sungai Walanae, Sungai Cenranae, Salo Welonge, Salo Walanae
Bridge over the River Walanae near Watansoppeng in the 1920s or 1930s
Location of river mouth Show map of Sulawesi Walanae River (Indonesia) Show map of Indonesia
Location
Country	Indonesia
Province	South Sulawesi
Physical characteristics
Source	Mount Rupulumuwe
• location	Pattuku, Bontocani, Bone Regency
Mouth	Muara Cenranae, Gulf of Boni
• location	Cenrana, Bone Regency
Length	250 km (160 mi)
Basin size	7,380 km2 (2,850 sq mi)
Width
• minimum	10 m (33 ft)
• maximum	15 m (49 ft)
Discharge
• location	Near mouth
• average	272 m3/s (9,600 cu ft/s)

Walanae River is a river in South Sulawesi on the island of Sulawesi, Indonesia, about 1500 km northeast of the capital Jakarta.^[1][2]

Geography

The river flows in the southwest area of Sulawesi with predominantly tropical monsoon climate (designated as Am in the Köppen-Geiger climate classification).^[3] The annual average temperature in the area is 23 °C. The warmest month is October, when the average temperature is around 25 °C, and the coldest is July, at 21 °C.^[4] The average annual rainfall is 2550 mm. The wettest month is January, with an average of 404 mm rainfall, and the driest is September, with 29 mm rainfall.^[5]