Profile along the river: along the river Tujia Autonomous County in the northeast corner of Guizhou Province, northwest of Tongren City, the location is located. Along the river, it is close to the counties of Pengjiang, Fuyang and Xiushan in Dejiang, Yinjiang, Songtao, Wuchuan and Chongqing in Guizhou Province. As of the end of 2014, the population of Yanhe County was 578,000 and the country was 2468.8 square kilometers. There are 22 townships, of which the ethnic minority population with Tujia as the main body accounts for 61.2% of the population is one of the four single Tujia Autonomous County in the country, and the only single Tujia Autonomous County in Guizhou Province. As of 2013, the local production value of Yanhe County was 5.896 billion yuan. As of 2014, more than 20 kinds of minerals, such as coal, fluorite and barite, have been discovered or discovered in Yanhe County. There are many kinds of flora and fauna in Yanhe County, including 3 first-class protected plants, 11 secondary-protected plants, 7 tertiary-protected plants, 5 first-class protected animals, and 23 secondary protected animals. Yanhe County is rich in tourism resources, among which the scenic spots of Wujiang Mountain Gorge along the river are issued by the State Council as national scenic spots.