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Sinamar River Batang Sinamar, Sungai Sinamar
Location of river mouthShow map of SumatraSinamar River (Indonesia)Show map of Indonesia
Location
Country	Indonesia
Physical characteristics
Source
• location	West Sumatra
Mouth	Ombilin River

The Sinamar River is a river in West Sumatra province, in the central part of Sumatra island, Indonesia, about 900 km northwest of the capital Jakarta. It is a tributary of the Ombilin/Indragiri River.

Geography

The river flows in the central area of Sumatra with 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 September, when the average temperature is around 24 °C, and the coldest is January, at 21 °C. The average annual rainfall is 3023 mm. The wettest month is November, with an average of 444 mm rainfall, and the driest is June, with 124 mm rainfall.

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. Batang Sinamar 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 (5): 1633–1644. Bibcode:2007HESS...11.1633P. 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°35′00″S 100°52′00″E / 0.58333°S 100.86667°E / -0.58333; 100.86667

• Rivers of West Sumatra
• Indragiri basin