Greater Khingan Range is the western part of Xingan, located in Heilongjiang Province, northeast of the Inner Mongolia Autonomous Region, is the Inner Mongolia plateau and the Songliao Plain of the watershed. North Heilongjiang River, South to Silas upstream of Mulun River Valley, northeast to southwest. The total length of more than 1 thousand and 200 km, 200-300 km wide, 1100-1400 meters above sea level, the peak of the cable Erji Yue shan. The dense forest in Greater Khingan Range is one of the important forestry bases in China. The main tree of Xingan spruce, larch, pine, birch, oak, Aspen, Mongolia.
Greater Khingan Range high terrain west east low, is located in the second steps of the east edge of the terrain, the second ladder third ladder combination, Greater Khingan Range, east of the ridge to the east of the third steps to the west, second steps to the west. The formation of Greater Khingan Range landform has obvious asymmetry. The terrain is the total potential to the Northeast - southwest, is a hilly area. Northern, Western and central high. With an average altitude of 573 meters; the peak of huanggangliang, at an elevation of 2029 meters (about the peak of yilehuli mountain peak - Huzhong big Baishan, 1528.7 meters above sea level); the minimum altitude of 180 meters, is the three card of huma County Township village along the river. Cold winter and warm summer, large temperature between day and night, the annual average temperature of -2.8 degrees, the minimum temperature of -52.3 DEG C, frost free period of 90-110 days, the average annual rainfall of 746 mm, is a cold temperate continental monsoon climate.