Khugnekhaan Mountain, located in the southern part of the small mountains of the Orhon Selenge Basin, far from the lake, was given special protection as a natural reserve in 1997 in order to protect this unique landscape. The security administration is located in Rashaant bullet, Bulgan province. Khogne-Tarna Natural Park is located on the border of Central, Ovorkhangai, and Bulgan provinces and belongs to the Khan Khentiy mountain region. The highest peak is Tsetserleg, 1968.8 meters above sea level. Early Mesolithic sandstone, metamorphic shale, granite, shale, marble, and very thick acidic mudstone dominate. Minerals such as water and smoky crystal, topaz, black, white, pink, dirty mica, magnetite, tungsten, garnet of every color, and fluorspar are abundant. Khugnekhaan Mountain is mostly made of pale granite. There are almost no rivers in the vicinity of Khugnekhaan Mountain, and only the Tarn River, which originates from the Khangai Mountains, flows behind the Mongolian sands on the western slopes. This river flows into the Tuul river from the east, so it belongs to the Orkhon Tuul watershed. There are several springs with good underground water resources in Khugnekhaan Mountain. On the east side of the Tarn River, there is a sand ridge called Great Mongolian Sand, which stretches 80 kilometers to the southeast. This sandhill is at its widest (9-10 kilometers) spread around the confluence of the Jargalant rivers, the source of the Tarn River, and the Great Mongolian Mountain. The great Mongolian sand is partially supported by vegetation, so migration is relatively low, but in recent years, it has been used as livestock pasture and has become overburdened. Khugne-Tarna contains 3 natural types under one roof,-and is also an area with rare and endangered species of plants, animals, and birds. As for the structure of the forest, there are willow and monocot thickets in the river valleys, and larch, birch, and cedar in the valleys forest. Khushin Forest is unique in that it is more than 200 kilometers away from Khangai Khent’s Khushin Forest. Woody plants such as elms grow in mountain cliffs and ravines. Along with 17 extremely rare species of flora, a total of 399 species of plants grow there. More than 100 of them are medicinal plants. There are animals such as deer, antelope, boar, manual, fox, cormorant, wolf, badger, skunk, and rabbit. Small mammals such as hedgehogs, bearded bats, long-tailed shrews, rock hawks, ospreys, Siberian vultures, bald eagles, ospreys, peregrine falcons, ospreys, peregrine falcons, pebbly falcons, common harriers, harriers, and ravens. , with birds such as magpies, owls, sparrows, partridges, cuckoos, sparrows, egrets, coots, geese, ducks, woodpeckers, mallards, and hundred lambs.