MARIA´NUS MONS(τὸ Μαριανὸν ὄρος, Ptol. 2.4.15; Mons Mariorum, It. Anton. p. 432: Sierra Morena), a mountain in Hispania Baetica, properly only a western offshoot of the Orespeda, and probably the mountain which Strabo describes, (3. p. 142), without mentioning its name, as running parallel to the river Baetis, and full of mines. Hence Pliny (Plin. Nat. 34.2) speaks of aes Marianum, quod et Cordubense dicitur.The eastern part of this mountain was called Saltus Castulonensis. [CASTULO]