Jach'a K'uchu (Aymara jach'a big, k'uchu corner, "big corner", also named Jachcha Khuchu, Jachcha Kuchu) is a mountain in a volcanic field in the Cordillera Occidental of Bolivia northeast of the Chullkani volcano. It is located in the Oruro Department, Sajama Province, Turco Municipality. Jach'a K'uchu is one of five mountains which belong to the so-called Jitiri Dome.
References Bolivian IGM map 1:50,000 Estancia Laguna 5839-III
Gabriela Vargas-Mattos, Mauro César Geraldes, Ramiro Matos Salinas, Reconstrucción geológica del volcán Chullcani (mioceno superior a plioceno superior): Consideraciónes generales sobre geoquímica y edad de las fases volcánicas, Andes Centrales de Bolivia, Revista Brasileira de Geociências, 12/2006