Sanmenxia belongs to Henan province. Sanmenxia is located in the west of Henan Province, adjacent to Luoyang City, the Millennium Imperial Capital in the east, Wancheng City in the south, Xi 'an, the ancient capital in the west, and Sanjin across the Yellow River in the north. Historically, it is the economic and cultural center at the junction of the three provinces. Sanmenxia is a new city rising with the construction of Sanmenxia Dam, the first dam of the Yellow River in Wan Li from 65438 to 0957, and it is also the closest city to the Yellow River among the cities along the Yellow River. According to legend, when Dayu was controlling water, he cut the dragon gate and opened the column, forming three canyons in the middle reaches of the Yellow River, namely "Man Gate", "Ghost Gate" and "God Gate", hence the name Sanmenxia. According to the extended data, the total area of Sanmenxia is 10496 square kilometers, and the landforms are mainly mountains, hills and loess tablelands, of which mountains account for 54.8%, hills account for 36% and plains account for 9.2%, which can be described as "five mountains, four tombs and one river". Most areas are between 300 and1500m above sea level. Xiaoqinling Laoya Tea, located in lingbao city, is the highest peak in Henan Province, with an altitude of 24 13.8 meters ... Sanmenxia City is located on the terraced fields on the south bank of the Yellow River, surrounded by water on three sides and shaped like a peninsula. Known as "surrounded by mountains on three sides, half city smoke village, half city field".