Q'illu Urqu (Quechua q'illu yellow, urqu mountain, "yellow mountain", also spelled Khellu Orkho, Quellu Orco) is a mountain in the Potosí mountain range of the Bolivian Andes, about 4,960 m (16,273 ft) high. It is situated south east of Potosí in the Potosí Department. Q'illu Urqu lies southwest of Illimani at Challwiri LakeBIGM map 1:50,000 6435-II-1 Potosí (Este) and near Q'illu Q'asa.
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