Tengchong Volcanic Geopark is located in Tengchong and Lianghe counties in southwestern Yunnan Province, and is one of the four major volcanic clusters in China, with 97 Cenozoic volcanic piles. The entire volcanic group covers an area of 221.36 square kilometers. The special geological structure has formed a strange volcanic landform of "ten mountains and nine headless", with volcanic cones, volcanic lava caves, lava rocklands, volcanic lakes, weir waterfalls and columnar joints of large scale, concentrated distribution, diversified types and complete preservation, which rank first in the country in terms of scale and integrity, and have high scientific and ornamental values, and are known as "Volcanic Geological Museum".