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Mandau River Sungai Mandau
Location of river mouthShow map of SumatraMandau River (Indonesia)Show map of Indonesia
Location
Country	Indonesia
Physical characteristics
Source
• location	Sumatra
Mouth	Siak River

Mandau River is a river in Riau province of central Sumatra island, Indonesia, about 1,000 km northwest of the capital Jakarta. It is a tributary of the Siak River.

Geography

The river flows in the central area of Sumatra which has a predominantly tropical rainforest climate (designated as Af in the Köppen-Geiger climate classification). The annual average temperature in the area is 23 °C. The warmest month is August, when the average temperature is around 24 °C, and the coldest is January, at 22 °C. The average annual rainfall is 2899 mm. The wettest month is November, with an average of 403 mm rainfall, and the driest is June, with 115 mm of rain.

See also

• List of drainage basins of Indonesia
• List of rivers of Indonesia
• List of rivers of Sumatra

References

1. Rand McNally, The New International Atlas, 1993.
2. Sungai Mandau at Geonames.org (cc-by); Last updated 2013-06-04; Database dump downloaded 2015-11-27
3. Peel, M C; Finlayson, B L; McMahon, T A (2007). "Updated world map of the Köppen-Geiger climate classification". Hydrology and Earth System Sciences. 11: 1633–1644. doi:10.5194/hess-11-1633-2007. Retrieved 30 January 2016.
4. "NASA Earth Observations Data Set Index". NASA. 30 January 2016.
5. "NASA Earth Observations: Rainfall (1 month - TRMM)". NASA/Tropical Rainfall Monitoring Mission. 30 January 2016.

0°48′00″N 101°47′00″E / 0.8°N 101.78333°E / 0.8; 101.78333

• Rivers of Riau
• Siak basin