Anta Q'asa (Quechua anta copper, q'asa mountain pass, "copper mountain pass", Hispanicized spelling Antaccasa, Antajasa) is a mountain in the Andes of Peru, about high. It is situated in the JunÃÂn Region, Yauli Province, Marcapomacocha District, and in the Lima Region, HuarochirÃÂ Province, Chicla District. Anta Q'asa lies southwest of the mountain Pukaqucha, west of the mountains Yuraqqucha and Sillaqaqa, northeast of Llawa P'ukru and east of the mountain Quriqucha.