Wadi El Natrun — Wikipedia

Wadi El Natrun (Arabic: وادي النطرون, lit. 'Valley of Natron'; Coptic: Ϣⲓϩⲏⲧ, romanized: Šihēt, lit. 'measure of the heart') is a depression in northern Egypt that is located 23 m (75 ft) below sea level and 38 m (125 ft) below the Nile River level. The valley contains several alkaline lakes, natron-rich salt deposits, salt marshes and freshwater marshes. In Christian literature, the region is usually referred to as Scetis (Σκήτις in Hellenistic Greek) or Skete (Σκήτη, plural Σκήτες in ecclesiastical Greek). It is one of the three early Christian monastic centres located in the Nitrian...