The Bogd Khan Mountain in the south of the Khentii mountain range lies on the border between the woodland and the steppes. The southern side of the mountain is composed of larch forest. It and its foot hills span from the east to the west. The highest peak of the mountain is Tsetsee Gun, which is 2268 m above sea level, and the second highest peak is Tushee Gun, which is 2256 m above sea level.

The Bogd Khan Mountain was one of the world’s first mountains protected by the government for conservation purpose.  There’s a legend about how Van khan Tooril protected and worshipped the mountain and he named the mountain Khan Mountain between the 12th and 13th centuries. In 1778, according to the decree of Khuree minister Yunderdorj, Bogd Khan Mountain was determined as a conservation area protected by the government. This decree was restated again in 1957, 1974, and 1995. Bogd Khan Mountain plays an important role in generating Ulaanbaatar city’s pleasant weather. Small rivers start from the 20 gaps of Bogd Khan Mountain, and some of them flow into the Tuul river, one of the Mongolian longest river and other small rivers reach the mountain’s skirt and sink in the soil.  Bogd Khan Mountain contains several medical hot springs, 54 species of mammal, 1660 species of insect, and 194 species of bird.

The Bogd Khan Mountain botany is composed of cedar forest, pine forest, larch forest, and a spruce forest which dominates the upland area of the Khentii mountain range. In total, 588 species of plant grow in the mountain. Around the Bogd Khan Mountain’s valleys, there are many historical sites to encounter. These include traditional rock art, ancient burial mounds and tombs.

The ancient legend of Bogd Khan Mountain describes an ancient battle between: Bogd, the archery hero and wrestler Chingeltei that ultimately led to the geographic features formation. One day, Bogd the archery hero decided to take Tuul, the beautiful mermaid, as his wife. But Chingeltei the wrestler loved her as well. The two warriors agreed to a fight, the winner of the battle would take the beautiful mermaid girl as a prize. After a fierce battle, Bogd the archery hero was pronounced as a victor. Upon his defeat, Chingeltei wrestler said: “By the rule of our agreement, you have won the right to take Tuul. However I have a request for you, because I will always love Tuul, please take my head and place it in front of you. For even when I’m dead I wish to be look at her” he said/. According to Chingeltei’s request, the hero Bogd cut Chingeltei’s head off his body and placed it in front of him. Today, this scene is represented by Zaisan hill, Chingeltei, the wrestler, is the north mountain of Ulaanbaatar city.