Sullu Sullu (Aymara sullu miscarried (fetus), Quechua sullu miscarriage; unborn fetus; key for doors or boxes, Ref Bertonio Ref Laime the reduplication indicates that there is a group or a complex of something, also spelled Sullo Sullo) is a mountain in the Wansu mountain range in the Andes of Peru, about 5100 meters high.