Cho Oyu (
Nepali: चोयु; : ) is the sixth highest mountain in the world at above sea level. Cho Oyu means "Turquoise Goddess" in
Tibetan. The mountain is the westernmost major peak of the
Khumbu sub-section of the
Mahalangur Himalaya 20 km west of
Mount Everest. The mountain stands on the
China-
Nepal border.