南岳山由一系列东北——西南走向的山峰组成,属中山地貌。主体由花岗岩构成,在漫长的地质年代中,经受地层运动和自然侵蚀,而形成今日的雄伟山势。东南坡一般地势陡峭,土层较薄;西北坡稍缓,土层较深厚,山下气温高,风力小。土壤为红壤和山地黄壤,为常绿阔叶林带,适宜用材林、经济林多种树种生长;海拔800米以上山地气温低,风力大,湿 Nanyue Mountain by a series of northeast - southwest peaks, is a mountain landscape. The main body is made of granite. During the long geological years, it has undergone stratum movement and natural erosion to form the majestic mountain today. The southeastern slope is generally steep with thin soil layers; the northwest slope is slightly slow, the soil layer is deep, the mountain has high temperature and the wind is small. The soil is red soil and mountainous yellow soil. It is an evergreen broad-leaved forest belt and is suitable for growing timber and economic tree species. The mountainous area with altitude above 800 meters has low temperature, big wind and wet