Yongshan is located in the northeast of Yunnan Province, bordering Leibo County, Sichuan Province on the Pentium Jinsha River. Located on the south bank of Jinsha River in the northwest of Wumeng Mountain, it is between north latitude10315'-10 and 27 30'-28 30', with a total area of 2,789 square kilometers, a horizontal distance of 46.6 kilometers from east to west and a vertical distance of 650 from north to south. Xiluodu Town, the county seat, is 820 meters above sea level, 200 kilometers away from Zhaotong Municipal Government and 630 kilometers away from Kunming, the provincial capital. The county has a population of 25,000. The county has jurisdiction over five towns, namely Xiluodu, Huanghua, Daxing, Maolin and Guixi, and Fotan, Tuanjie, Xisha, Qingsheng, Wuji, Johnny Ma, Huangping, Shuizhu, Lianfeng, Wanhe, Wuzhai, Mohan and Makou, with a total of villagers 133. By the end of 2004, the total population was 465,438+967,700.

Significant progress has been made in Yongshan's urbanization development strategy. Focusing on the image goal of building a "mountain city, water and electricity, garden and lakeside" tourist city, the overall planning and regulatory detailed planning of the county commissioned by Chongqing Planning and Design Institute have been completed and submitted to the municipal government for approval, and it is planned to build the county into a medium-sized city with 15 square kilometers; The overall development planning and construction implementation plan of five provincial key market towns and 12 township market towns have been completed. The second phase project of Zhenxing Street in the county town and Jin Jiang Mingzhu Hotel have been completed and put into use, and major projects such as Jinxi Jiayuan and Xiluodu Hotel are being accelerated. The construction of small towns in huanghua town, a provincial center, is progressing smoothly, and the application for the inclusion of Guixi Town, Wuji Town and Daxing Town in the planning and construction of provincial-level economic development demonstration towns has been completed.

The annual average temperature in Yongshan is 16.3 degrees, the precipitation is 670 mm, and the sunshine hours are 1 172.8 hours. Xiluodu Town, where the county seat is located, has a typical dry-hot valley climate of Jinsha River with four distinct seasons. The mountainous terrain accounts for more than 95% of the county's total area, and there are a few valley terraces scattered along the Jinsha River, commonly known as "bazi". China's mineral resources include lead, zinc, copper, iron, aluminum, phosphorus, coal, placer gold, gypsum, limestone, colored marble, silver, mercury, barite and Iceland spar. Sanjiangkou County has 70,000 mu of virgin forest and 200,000 mu of bamboo forest, with a forest coverage rate of 7.9%. The timber forest is dominated by pine trees and fir trees, and there are rare tree species such as Ligustrum lucidum, Davidia involucrata, Cunninghamia lanceolata, Cinnamomum camphora, Toona sinensis, Phoebe bournei, Pistacia chinensis and Liriodendron chinense. There are dozens of wild animals such as leopard, roe deer, monkey, wild boar and bear, among which there are more than 0/70 species of wild ducks, egrets, parrots and black-necked cranes. Chinese angelica, gastrodia elata, Evodia rutaecarpa, Eucommia ulmoides and other precious medicinal materials. Codonopsis pilosula, dictyophora indusiata, dictyophora indusiata and gecko are all produced in mountainous areas. Yongshan is a national semi-fine wool sheep improvement base with 720,000 mu of grass mountain. The territory is rich in native products, and there are dried and fresh fruits all year round. "Jinjiang Zanthoxylum bungeanum", "Jinjiang Citrus" and "Jinjiang Amorphophallus" as well as brown sugar, bamboo shoots, paulownia and wax insects. Enjoy a high reputation at home and abroad.