Marisa River is a river in the province of Gorontalo, island of Sulawesi, Indonesia, about 1800 km northeast of the capital Jakarta.

[1][2] The river flows in the northern area of Sulawesi island with predominantly tropical rainforest climate (designated as Af 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 26 °C, and the coldest is February, at 21 °C.

The wettest month is July, with an average of 270 mm rainfall, and the driest is September, with 53 mm rainfall.