Nina Urqu (Quechua nina fire, urqu mountain, "fire mountain", also spelled Nina Orkho) is a mountain in the Andes of Bolivia. It is situated in the PotosÃÂ Department, Sud LÃÂpez Province, in the north of the Esmoruco Municipality, south-west of Guadalupe. Nina Urqu lies south-east of the mountains P'aqu Urqu, Waqrayuq and Muruq'u.