Mamasa River

Mamasa River is a river in Sulawesi, Indonesia. It is a tributary of the Sadang River.

Geography
The river flows in the southeast area of Sulawesi with predominantly tropical monsoon climate (designated as Am in the Köppen-Geiger climate classification). The annual average temperature in the area is 23 °C. The warmest month is October, when the average temperature is around 26 °C, and the coldest is June, at 24 °C. The average annual rainfall is 2500 mm. The wettest month is May, with an average of 387 mm rainfall, and the driest is September, with 68 mm rainfall.