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Serayu River Kali Serayu, Sungai Serayu, Ci Sarayu, Kali Seraju, Kali Serajoe, Chi Seraju, Serdju, Serajoe River
Serayu river at Kebasen, Banyumas
Location of river mouthShow map of JavaSerayu River (Indonesia)Show map of Indonesia
Location
Country	Central Java, Indonesia
Physical characteristics
Source
• location	Mt. Prahu (Dieng Volcanic Complex)
• coordinates	7°18′41.9436″S 109°59′32.8056″E / 7.311651000°S 109.992446000°E / -7.311651000; 109.992446000
• elevation	2,565 m (8,415 ft)
Mouth
• location	Indian Ocean
• coordinates	7°41′0.5604″S 109°6′24.9876″E / 7.683489000°S 109.106941000°E / -7.683489000; 109.106941000
• elevation	0 m (0 ft)
Length	181 km (112 mi)
Basin size	3,738 km (1,443 sq mi) to 4,375 km (1,689 sq mi)
Discharge
• location	Near mouth
• average	(Period: 2005–2014)441.19 m/s (15,580 cu ft/s) 415 m/s (14,700 cu ft/s)
• minimum	(Period: 2005–2014)131.4 m/s (4,640 cu ft/s)
• maximum	(Period: 2005–2014)1,370.5 m/s (48,400 cu ft/s)
Discharge
• location	Rawalo (Basin size: 2,631 km (1,016 sq mi)
• average	(Period: 1971–1995)273.41 m/s (9,655 cu ft/s)
• minimum	(Period: 1971–1995)58.8 m/s (2,080 cu ft/s)
• maximum	(Period: 1971–1995)1,497 m/s (52,900 cu ft/s)
Discharge
• location	Banjarnegara (Basin size: 704 km (272 sq mi)
• average	(Period: 1978–1995)57.16 m/s (2,019 cu ft/s)
• minimum	(Period: 1978–1995)17.3 m/s (610 cu ft/s)
• maximum	(Period: 1978–1995)548 m/s (19,400 cu ft/s)
Basin features
River system	Serayu River
Tributaries
• left	Begaluh, Sapi
• right	Tulis, Merawu, Klawing, Tajum

The Serayu River is a river in Central Java, Indonesia, about 300 km southeast of the capital Jakarta.

Hydrology

The river spanned from northeast to southwest with a length of around 181 km, and crossing five kabupaten (regency) in Central Java; they are Wonosobo Regency, Banjarnegara Regency, Purbalingga Regency, Banyumas Regency, draining to Indian Ocean with estuarine located at Cilacap Regency.

Geography

The river flows in the southern central area of Java with a predominantly tropical monsoon climate (designated as Am in the Köppen-Geiger climate classification). The annual average temperature in the area is 24 °C. The warmest month is March, when the average temperature is around 25 °C, and the coldest is August, at 23 °C. The average annual rainfall is 3897 mm. The wettest month is January, with an average of 561 mm of rainfall, and the driest is September, with 34 mm of rainfall.

Uses

Mrica Dam is a hydroelectric power dam installed in the Serayu River.

Water rafting is one of the tourist attractions in the villages of Tunggara and Prigi, in Banjarnegara Regency.

Gallery

• Serayu river
• Railroad construction by the Serayu near Kebasen, Banyumas
• Railroad bridge across Serayu near Kebasen
• Bridge at Rawalo, Banyumas
• Bridge near Maos, Cilacap (before 1917)
• Bridge built in 1890
• Serayu river

See also

• Sarayu River, in India, Sarayu and Serayu have been named after river in Hindu epic Ramayana
• Sunda Kingdom, Hindu kingdom of Central and Western Java through which this river flowed
• List of drainage basins of Indonesia
• List of rivers of Indonesia
• List of rivers of Java

References

1. ^ Kali Serayu (PDF).
2. ^ PENGELOLAAN SUMBER DAYA AIR WILAYAH SUNGAI SERAYU-BOGOWONTO (PDF). 2016.
3. Kali Serayu at Geonames.org (cc-by); Last updated 2013-06-04; Database dump downloaded 2015-11-27
4. Rand McNally, The New International Atlas, 1993.
5. Munir, A. 2009. Karakteristik daerah aliran sungai (DAS) Serayu Provinsi Jawa Tengah berdasarkan kondisi fisik, sosial, serta ekonomi. Dept. Geografi FMIPA Universitas Indonesia. (paper tidak diterbitkan)
6. 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. doi:10.5194/hess-11-1633-2007. Retrieved 30 January 2016.
7. "NASA Earth Observations Data Set Index". NASA. 30 January 2016.
8. "NASA Earth Observations: Rainfall (1 month - TRMM)". NASA/Tropical Rainfall Monitoring Mission. 30 January 2016.
9. Tempo.co: Usia Waduk Mrica Diperkirakan Tinggal 12 Tahun. Diakses 5/XII/2014.
10. Dinas Budpar Banjarnegara: Wisata Waduk Mrica. Diakses 5/XII/2014.
11. Kab. Banjarnegara: Arung Jeram Kaliserayu. Diakses 5/XII/2014.

7°41′17″S 109°06′02″E / 7.68806°S 109.10056°E / -7.68806; 109.10056

• Rivers of Central Java
• Serayu basin