- This article is about the mountain. For other uses, see Callisto (disambiguation).
Mount Callisto is the easternmost mountain of the twin peaks in the Siroccian Mountains. Named after Callisto, the son of Maya and husband of Sinope, Mount Callisto is less fertile than Mount Sinope, its western counterpart. Its slopes are covered with pines. The mountain is overlooked by the Shrine of Ascension situated northeast of the peak.