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Siwa Oasis

Oasis in Matrouh, Egypt

  • 15 min read
  • 9 chapters
The sunrise of a new day from Jabal Al-Dakrouri Siwa
Adelbayoumi · CC BY-SA 4.0

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Geography

The oasis is in a deep depression that reaches −19 metres (−62 ft) below sea level. To the west, the al Jaghbub Oasis rests in a similar depression and to the east, the large Qattara Depression is also below sea level. The depression is fertile due to both natural flowing artesian wells and irrigation. It is the site of about 200 natural springs. Siwa is directly adjacent to the Libyan Desert plateau. The geology is characterised by horizontal layers of porous limestones alternated with marls and clays dating back to the Miocene. The limestone plateau and inselbergs resulting from the oasis' erosion along the dunes create reliefs that the Isiwan describe as mountains (adrar in Tamazight). Two large salt lakes are fed by drainage water of agricultural origin. The oasis supports the cultivation of thousands of date palms and olives. Siwa has a temperate desert climate.

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