There is a great stone complex on the top of Jargalant mountain in Uyench soum, Khavd province. The locals call it ‘Kharuul Ovoo’. The height of this complex is about 10 m, the basement diameter is 7m. Its name means that this is the border of the country or it may also be a sign of something. The researchers say that this complex belongs to XVII-XVIII centuries. There are three same complexes like this in the Mongol Altai that face at each other. Two of them are in the Chinese territory and one is in Mongolia. There are also many legends and stories about this complex.