Both in the east (at Batna) and the west (at Ain Sefra) the mountains are traversed by railways, which, starting from Mediterranean seaports, take the traveller into the Sahara.
Passing Ain Sefra and Figig (372 m.
The Algerian Sahara was divided into four territories, officially named Tuggurt, Ghardaia, Ain Sefra and the Saharan Oases (Tuat, Gurara and Tidikelt).
The town is separated into European and native quarters by a deep ravine, the Ain Sefra, through which passes a considerable stream.
Of Oran) by the line from Arzeu to Saida and Ain Sefra which serves the high plateau whence esparto is obtained.