Tunga Spur is a prominent rock spur extending from the Kirwan Escarpment just southwest of Gommen Valley, in Queen Maud Land. Mapped by Norwegian cartographers from surveys and air photos by Norwegian-British-Swedish Antarctic Expedition (NBSAE) (1949–52) and additional air photos (1958–59), and named Tunga (the tongue). Ridges of Queen Maud Land Princess Astrid Coast