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四面山位于重庆市西南部,属云贵高原大娄山北翼余脉,系地质学上的倒置山,幅员213.37平方公里。这里拥有地球北纬28°仅存的面积最大、保护最完好的亚热带原始常绿阔叶林,森林覆盖率高达95.8%,负氧离子每立方厘米含量更是达到2.9万个。茫茫山林,延绵百里,四面山成为重庆主城最具健康生态价值的“肺叶”。原始森林四面山距离重庆主城区130公里,距江津城区90公里。海拔560米~1709.4米,夏季气温22℃~25℃,年
Located in the southwestern part of Chongqing Municipality, Siamian Mountain belongs to the veins of the north wing of the Daluoshan Mountain on the Yunnan-Guizhou Plateau. It is an upside-down geology mountain with a total area of 213.37 square kilometers. The area has the largest and best preserved subtropical evergreen broad-leaved forest at 28 ° north latitude with a forest coverage rate of 95.8% and a negative oxygen ion content of 29,000 per cubic centimeter. The vast forests, stretches Barry, surrounded by mountains become the most healthy ecological value of the main city of Chongqing “lungs ”. The original forest surrounded by mountains from the main city of Chongqing 130 kilometers, 90 kilometers away from Jiangjin City. 560 meters above sea level ~ 1709.4 meters, the summer temperature 22 ℃ ~ 25 ℃, year