| Sanen River | |
| Name Other: | Kali Sanen, Sungai Sanen |
| Pushpin Map: | Indonesia Java#Indonesia |
| Pushpin Map Size: | 285 |
| Pushpin Map Caption: | Location of river mouth |
| Subdivision Type1: | Country |
| River System: | Mayang basin |
The Sanen River is a river in southern East Java province, Java island, Indonesia, about 800 km east of the capital Jakarta. The Sanen River is a tributary of the Mayang River that flows into a cape in Watuulo, the southern coastal area of Java. The river originates in the southern mountainous region, near Mount Betiri.[1] [2]
The river flows in the southeast area of Java 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 23 °C, and the coldest is February, at 21 °C.[4] The average annual rainfall is 2511 mm. The wettest month is January, with an average of 498 mm rainfall, and the driest is August, with 33 mm rainfall.[5]