The jewel of Mongolia’s national park system, this one is given great acclaim by travel agents. The park, with a surface area of 838000 ha, is enclosed to the north by the Saikhanmountains and to the west by the Khoridolsaridag chain. One of must-see beauty in the park is lake Khovsgol. It is the second largest lake in Mongolia as well as the deepest. Lake Khovsgol.