Jat'u K'achi is a mountain in the Andes of southern Peru, about 5200m high. It is located on the border of the Moquegua Region, General Sánchez Cerro Province, Ichuña District, and the Puno Region, Puno Province, San Antonio District. Jat'u K'achi lies west of the mountain Chuqipata, northeast of Millu and southeast of Pura Purani.