El Oued Siliana is a river of

Tunisia ) , image_map = Tunisia location (orthographic projection).svg , map_caption = Location of Tunisia in northern Africa , image_map2 = , capital = Tunis , largest_city = capital , ...

in the region arising from

Maktar Maktar or Makthar ( ar, مكثر), also known by other names during antiquity, is a town and archaeological site in Siliana Governorate, Tunisia. Maktar was founded by the Berber Numidians as a defense post against Carthaginian expansion. At th ...

, which runs north and drains into the river

Medjerda The Medjerda River ( ar, وادي مجردة), the classical Bagrada, is a river in North Africa flowing from northeast Algeria through Tunisia before emptying into the Gulf of Tunis and Lake of Tunis. With a length of , it is the longest river ...

about 5 km

west West or Occident is one of the four cardinal directions or points of the compass. It is the opposite direction from east and is the direction in which the Sunset, Sun sets on the Earth. Etymology The word "west" is a Germanic languages, German ...

Testour Testour ( ar, تستور ') is a small town located in the north of Tunisia. The town is perched on the hills of Medjerda Valley, south-west of Medjez-el-Bab, the crossroads between Tunis, Béja, and the north of Tunisia. It was known during th ...

. On his way to collect the rainy season, water numerous wadis that are dry much of the year. Its course is about 120 km. the average rainfall is 455 mm / year between September and January grew between 15 and 11 percent. The city's main course is still

Gaâfour Gaâfour ( ar, قعفور) is a town and commune in the Siliana Governorate, north-western Tunisia, located 120 kilometers southwest of Tunis. It is attached to Siliana. As of 2004 it had a population of 9,358 people. The town has a station locat ...

and Siliana. The course begins wadis are controlled by the dam of El Akhmim; above of Siliana Siliana and the reservoir; and on the left side near the mouth is the Sidi Salem Reservoir. The river crosses between different altitude regions clothes Yahia OLED 584 meters and 1347 meters in Jebel Serj an average difference of 400 meters and different rainfall (a difference of 150 mm / year).

References

{{Coord, 36, 33, N, 9, 25, E, display=title, region:TN_type:river_source:GNS-enwiki Siliana