The Lalindu River is a river in Southeast Sulawesi province, Sulawesi island, Indonesia, about 1700 km northeast of the capital Jakarta.

The river flows in the southeast 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 22 °C.

The warmest month is October, when the average temperature is around 24 °C, and the coldest is July, at 20 °C.

The wettest month is July, with an average of 337 mm rainfall, and the driest is September, with 28 mm rainfall.