One of the beautiful sand dune in the Gobi is the Khongor Sand Dunes that extend more than 180 km (112 miles) with majestic heights of 15-30 m along the northern side of Sevrei and Zuulun mountain ranges.

The largest dunes are northwest of the range up to 800 meters high The Khongor Sand Dunes are some of the largest and most impressive white sand dunes in Mongolia. The dunes make a sound like the plane engine on a windy day so it has been named as "Singing Dunes".