Was created in 1993 and borders the Khan Khentii Protected area. It is one of the most visited protected areas in the country.
Terelj itself, on the banks of the river Terelj, is a spectacular valley with high rock formations, pine – covered mountains and grasslands carpeted with wildflowers and edelweiss. Khan Khentii the native land of Chinggis Khan covered with forests, taiga and mountain forest steppe, is a protected area located north east of Ulaanbaatar that can be reached on foot or horseback. Terelj is a good place to spend a couple of days if you are based in Ulaanbaatar.