Qala T'uxu or Qala Tuqu (Aymara qala stone, t'uxu window, hole in the wall, tuqu goitre, Ref Bertonio "stone window" or "stone goitre", also spelled Khala Thojo, Qala Tuju) is a mountain in the Cordillera Real in the Andes of Bolivia, about 5076 meters high.