Inverted Horse Pass Township, a township under the jurisdiction of Tang County, Baoding City, Hebei Province, is located in the northwest of Tang County, bordering Chuanli Township to the east, Yangjiao Township to the south, Shimen Township to the southwest, and Laiyuan County to the west and north. The maximum distance between east and west of the jurisdiction is 8.8 kilometers, and the maximum distance between north and south is 17.2 kilometers, with a total area of 103 square kilometers.At the end of 2018, the total household population of Pouring Horse Pass Township was 4,401 people. The township was founded in 1953, and in 1962, it was established as a people's commune, and in 1984, it was reorganized as a township. As of June 2020, there are 8 administrative villages under the jurisdiction of Invermaguan Township, and the People's Government of the township is stationed in Invermaguan Village. There are the national key cultural relics protection unit of the Ming Great Wall and the provincial forest park scenic spot. In 2011, the total agricultural output value of the township was 13.09 million yuan, and the financial income was 825,800 yuan.In 2018, there was one industrial enterprise in the township, and nine general stores or supermarkets with a business area of more than 50 square meters.