| Mandiri River Ci Mandiri, Sungai Cimandiri, Tji Mandiri, Tjimandiri, Tjimandir | |
|---|---|
 The mouth of Cimandiri River at Pelabuhan Ratu Bay (1920–1940) | |
  Location of the river mouth Show map of Java Mandiri River (Indonesia) Show map of Indonesia | |
| Location | |
| Country | Indonesia |
| Physical characteristics | |
| Source | |
| • location | West Java |
| Mouth | |
• location | Indian Ocean |
| Length | 100 km (62 mi)[1] |
| Basin size | 2,014.31 km2 (777.73 sq mi)[2] |
Mandiri River (Indonesian:Ci Mandiri orCimandiri) is a river in southwesternJava ofWest Java province, Indonesia.[3][4] It flows mainly in theSukabumi Regency.[5][6]
The river flows from east to west with a length of around 100 km.[1] The upstream of Cimandiri is located on the Mount Pasir Caringin,Sukamanah village,district of Gegerbitung and discharges into Indian Ocean nearPelabuhan Ratu. The tributaries of Cimandiri also flow fromMount Gede,Mount Pangrango,Mount Salak andMount Halimun. The watershed (Indonesian: Daerah Aliran Sungai/DAS) of Cimandiri has a area of 201,431 hectare, stretching from around Padalarang and the conservation area ofMount Halimun at the upstream to the southwest direction until the river mouth at Pelabuhan Ratu Bay.[2] DAS Cimandiri comprises also the tributaries of Cimandiri: Cicatih, Cipelang, Citarik, Cibodas, and Cidadap, which flow into Pelabuhan Ratu Bay,Sukabumi Regency.[2] DAS Cimandiri is classified as a local watershed, meaning the whole area is contained within one regency and utilized by that one regency; in this case: Sukabumi Regency.[2][5][6]
Some tributaries of Cimandiri with a length of more than 10 km, from the upstream, are:
The river flows in the southwest area ofJava with a predominantlytropical monsoon climate (designated asAm in the Köppen-Geiger climate classification).[7] 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 January, at 18 °C.[8] The average annual rainfall is 3834 mm. The wettest month is December, with an average of 578 mm of rainfall, and the driest is September, with 35 mm of rainfall.[9]
7°01′37″S106°32′53″E / 7.027°S 106.5481°E /-7.027; 106.5481