Shan Hai Jing recorded and described some natural geographical phenomena. For example, regarding the precipitousness of Huashan Mountain, Shan Hai Jing records: "Taihua Mountain is divided into four directions, with a height of 5,000 meters and a width of ten miles, and there is nowhere for birds and animals to live." It is the earliest mountain geography book in China, which has grasped the most important features of Huashan so decisively and vividly reflected its geographical features. When describing a river, The Classic of Mountains and Seas must specify its origin and flow direction, and pay attention to its tributaries or water systems flowing into tributaries, including some undercurrents and undercurrents, as well as records of salt ponds, lakes and Jing Quan. For example, about the seasonal changes of rivers, the description of teaching water: teaching mountains to teach water to come out. West flows into the river, winter is dry and summer is flowing, and only the river is dry.
Jiaoshui is a seasonal river, which flows into the Yellow River, dry in winter and flows in summer. These records are the results of scientific observation of nature and have certain geographical significance. Shan Hai Jing records a lot of primitive geographical knowledge, such as caves in the south, seasonal changes of rivers in the north, geographical landscapes in different climatic zones and distribution characteristics of animals and plants.