"three beauties"), is a mountain range in the Ömnögovi Province of southern Mongolia.

The highest peak is found in Dund Saikhany Nuruu, and is 9,268 feet (2,825 meters) above sea level.

A notable gorge, Yolyn Am, is found in Zuun Saikhany Nuruu.

Though the range is surrounded by the Gobi Desert, Yolyn Am contains a semi-permanent ice field.

The range forms the eastern part of the Gobi Gurvansaikhan National Park which was established in 1993.