Pilarryggen ({{coord|72|42|S|3|56|W|display=inline,title}}) is a rock ridge at the west side of Portalen Pass in the Borg Massif of Queen Maud Land. Mapped by Norwegian cartographers from surveys and air photos by Norwegian-British-Swedish Antarctic Expedition (NBSAE) (1949–52) and named Pilarryggen (the pillar ridge).