Janq'u Jaqhi, Mountain summit in La Paz Department, Bolivia.

Janq'u Jaqhi is a 4,254-metre mountain in the Chilla-Kimsa Chata range of the Andes, in Desaguadero Municipality, Ingavi Province, La Paz Department, Bolivia. It lies south of Wiñaymarka Lake, the southern branch of Lake Titicaca. The Aymara name means "white cliff", also spelled Jankho Jakke.

Janq'u Jaqhi lies in the Chilla-Kimsa Chata range of the Andes, in Desaguadero Municipality, Ingavi Province, La Paz Department. The sources record no historical events for the mountain; its documented setting is geographic, south of Wiñaymarka Lake, the southern branch of Lake Titicaca, at 4,254 metres.

The name Janq'u Jaqhi comes from Aymara: janq'u means white and jaqhi means precipice or cliff, giving "white cliff". The mountain is also spelled Jankho Jakke in Spanish-language usage. It lies in the Chilla-Kimsa Chata range of the Andes, in Desaguadero Municipality, Ingavi Province, La Paz Department, south of Wiñaymarka Lake, the southern branch of Lake Titicaca.

Reaching the summit requires mountaineering experience, specialized climbing equipment, and physical preparation for high altitude. Access routes begin from nearby settlements, with conditions heavily influenced by weather and season.

The Aymara name Janq'u Jaqhi means "white cliff", from janq'u (white) and jaqhi (precipice, cliff); the spelling Jankho Jakke also appears in documents. The peak lies in the Chilla-Kimsa Chata range of the Andes, in Desaguadero Municipality, Ingavi Province, La Paz Department, south of Wiñaymarka Lake, the southern branch of Lake Titicaca.