The Terelj settlement is located in the valley of the Terelj River (Terelj Gol), approximately 66 km from the Ulaanbaatar city center. The national park tourist zone is formally in Nalaikh düüreg (district) part of Ulaanbaatar municipality, the rest of the protected zone beginning to the north of the Terelj River, is located in Mongolia's Töv Province (Töv aimag). The park also has a Buddhist monastery that is open to visitors. Park wildlife includes brown bears and over 250 species of birds. The Tuul River flows through the park. The park has many rock formations for rock climbers, and includes two famous formations named for things they resemble: Turtle Rock (Mongolian: Melkhii Khad) and the Old Man Reading a Book (Praying Lama Rock).