It is essentially a massive plateau about 4 miles in circumference that has been used as a fortress since before the Achaemenid era. It is surrounded on 3 sides by high cliff walls ranging from 1500 feet on the south side to 2000 feet on the west side with lower eastern walls and a gently sloping plain leading up to the heights from the north.
It is famous as the only fortress ever to withstand a siege by Tamerlane.
- Sykes, Percy (1921). A History of Persia. London: Macmillan and Company. p. 38.
- Engels, Donald W. "Alexander the Great and the Logistics of the Macedonian Army", University of California Press. 1978. Pages 87-88.
- Farshid Sāmāni, Konj-e Denj-e Fāteh-e Hend (The Quiet Corner of the Conqueror of India), in Persian, Jadid Online, 14 January 2010, .
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