The Terelj national park is located 70km to the west of Ulaanbaatar. It is the most popular holiday resort for the people living in the capital city. Terelj is part of the Khan Khentii mountain range, and is famous for its granite rock formations, with peaks reaching 2600m above sea level. The mountains have Siberian larch, pines and birches. There are many summer houses and tourist camps in this region. Hiking, bird-watching, horse riding, camel riding are fun activities to do in Terelj. The park is also accessible during winter. Dog sledding, skating and sledging are the trend in this area during winter.

Some highlights of Terelj: Turtle rock, Hundred lama cave, Aryapala meditation center.