, Strab. i. p.38
, seq. xvii. pp. 758--796; Mel. 1.10, 3.8; Plin. Nat. 5.11. s. 12
; Lucan. Phars
. 8.539, 10.433), the modern El. Katieh,
or El. Kas,
was the summit of a lofty range of sandstone hills, on the borders of Egypt and Arabia Petraea, immediately south of the Lake Sirbonis and the Mediterranean Sea. Near its summit stood a temple of Zeus-Ammon, and on its western flank was the tomb of Cn. Pompeius Magnus.
The name of Mons Casius is familiar to English ears through Milton's verse. “A gulf profound as that Serbonian bog, ‘Twixt Damiata and mount Casius old.”