| Lusi River | |
| Name Other: | Kali Lusi, Sungai Lusi |
| Pushpin Map: | Indonesia Java#Indonesia |
| Pushpin Map Size: | 285 |
| Pushpin Map Caption: | Location of river mouth |
| Source1 Location: | Java |
| Mouth Location: | Purwodadi |
| Subdivision Type1: | Country |
| Basin Size: | 3656.78km2 |
Lusi River is a river in northern Central Java, Indonesia, about 400 km east of the capital Jakarta.[1] [2] It is a tributary of the Serang River, meeting after passing the city of Purwodadi.[3]
Lusi River is one of the longest in Central Java, with a length of 208.5 km and the basin size of 3656.78 km².[4]
The river flows in the central area of Java with predominantly tropical monsoon climate (designated as Am in the Köppen-Geiger climate classification).[5] The annual average temperature in the area is 25 °C. The warmest month is October, when the average temperature is around 28 °C, and the coldest is January, at 24 °C.[6] The average annual rainfall is 2845 mm. The wettest month is January, with an average of 527 mm rainfall, and the driest is September, with 35 mm rainfall.[7]