Wila Qullu, Mountain summit in Challapata Municipality, Oruro Department, Bolivia

Wila Qullu is a mountain in the Andes of Bolivia, about 5,144 metres (16,877 ft) high, in the Oruro Department, Challapata Province, Challapata Municipality. It lies south of the Jach'a River and north of Nacional Route 1, north-west of the mountain Wila Quta, which reaches the same height. The Jach'a Juqhu River, considered the origin of the Pillku Mayu, flows along its southern slopes.

Wila Qullu takes its name from Aymara, in which wila means blood or blood-red and qullu means mountain, a reference to the reddish rock of the peak. The mountain rises about 5,144 metres in Challapata Municipality, Oruro Department, south of the Jach'a River and north of Nacional Route 1. The Jach'a Juqhu River, regarded as the source of the Pillku Mayu, flows along its southern slopes.

Local Aymara communities regard this peak as a sacred site and incorporate it into ceremonies they still practice today. The relationship between the mountain and these communities shows itself through rituals that honor the land and its natural forces.

Reaching the summit requires specialized climbing gear and local guides who know the mountain. The best conditions for an attempt occur during the dry season from May to October when weather is more stable.

The Jach'a Juqhu River, considered the origin of the Pillku Mayu, flows along the southern slopes of Wila Qullu. The mountain stands about 5,144 m high in Challapata Municipality, Oruro Department, south of the Jach'a River and north of Nacional Route 1, with the same-height Wila Quta to its south-east.