Siliana Governorate ( Tunisian Arabic : ولاية سليانة Wilāyat Silyānah pronounced [sɪ̈lˈje̞ːnə] ; French : Gouvernorat de Siliana ) is one of the twenty-four governorates (provinces) of Tunisia , is landlocked and is in the north of the country. It covers an area of 4,631 km and has a population of 223,087 (2014 census). The capital is Siliana .
5-401: The province is coextensive with the upper Oued Siliana (Siliana river) catchment which flows north. The land includes a largely fertile valley, tributary valleys, and rocky and forested uplands. It generally slopes north. The south of the governorate tapers in a curve to include the three main peaks at the head of the valley in the dorsal Atlas Mountains . Shortly after leaving the governorate,
10-408: A stub . You can help Misplaced Pages by expanding it . Head of the valley The head of the valley or, less commonly, the valley head , refers to the uppermost part of a valley . The head of a valley may take widely differing forms; for example, in highland regions the valley often ends in a broad, evenly sloping hollow. The higher the head of the valley, the more likely it is to resemble
15-555: Is the largest lake in the province, followed by the Lakhmess Barrage in the south-east, which is less than a third of its size. The climate is more Mediterranean than desert, as it is near the coast (see Tunisia§Climate ) with temperatures in all but the northern borders moderated by its high elevation. Ten municipalities are in Siliana Governorate: This Tunisia location article is
20-583: The Oued Siliana feeds into the valley of the Medjerda River , which flows east. Two main settlements are beside the river: Siliana and Gaafour (Qa Afur). Two forested ridges form national parks mainly within and outside the north-west and south-east borders respectively. The higher of these is the Djebel Serj to the south east. The Siliana Barrage, below the city, is an artificial reservoir and
25-433: The geomorphological shape of a cirque . In glacial valleys or trough valleys , it may be referred to as the trough head or trough end . In mountains with predominantly crystalline rock the heads of the valleys are generally very wet, sometimes boggy and often support lush alpine meadows , whilst those made of limestone are usually dry and covered in talus or gravel . Where there has been ice age glaciation,
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