Mountain apes were large primates that lived in the western regions of Derlavai, particularly in the Ilszung Mountains between Gyongyos and Unkerlant. At the time of the Derlavaian War, there was some debate as to whether the apes had simple animal minds or possessed some degree of sentience. Soldiers from either side of the war ran afoul of mountain apes on occasion, and sometimes became their meals.

Mountain apes also lived in the Land of the Ice People.

Literary comment[]

The Mountain ape appears to be based on Sasquatch and/or Yeti, mythical primates in popular culture.