Gobi Desert from , and those of the ranges from higher, though in a few cases they reach altitudes of . The elevations do not form continuous chains, but make up a congeries of short ridges and groups rising from a common base and intersected by a labyrinth of ravines, gullies, glens and basins. But the tablelands, built up of the horizontal red deposits of the Han-gai (Obruchev's Gobi formation) which are characteristic of the southern parts of eastern Mongolia, are absent here or occur only in one locality, near the Shara-muren river. They are greatly intersected by gullies or dry watercourses.
Great Gobi A Strictly Protected Area an arid region of the Gobi desert. The vegetation is dominated by desert and desert steppe. Great Gobi A is generally drier than Great Gobi B. Together with Great Gobi B, the reserve was established in 1975 and has been designated by the United Nations as an international Biosphere Reserve in 1991. With a total area of about 46,369 km it is one of the largest reserves worldwide. The headquarters for the Great Gobi SPA is situated in Bayantooroi, a settlement about 20 km north to the Great Gobi A reserve. The Climate is extremely "continental". Temperatures in the Gobi