Zhenchuan Town is a town under the jurisdiction of Yuyang District, Yulin City, Shaanxi Province, and does not belong to other towns.

Zhenchuan Town is located at the southern end of Yuyang District, bordering Shajiadian Town, Yinzhou Town and Longzhen Town in Mizhi County to the east, south and west, and Shangyanwan Town to the north. The maximum distance between east and west of the jurisdiction is 10.5 kilometers, and the maximum distance between north and south is 12.5 kilometers. The total area is 59.87 square kilometers.

Zhenchuan Town is located in the loess hilly and ravine area of ??northern Shaanxi. The terrain is high from east to west and low in the middle. The highest point is 1084 meters above sea level, the lowest point is 870 meters above sea level, and the relative height difference is 214 meters. The rivers in Zhenchuan Town belong to the Wuding River system in the Yellow River Basin. The main rivers include Wuding River, Xiaochuangou River, Jinji River, Yangzhenggou River, etc. Wuding River, the largest river in the territory, enters from Fanhepan Village and exits from the south of Hongliutan Village. It has a flow length of 12 kilometers, a valley width of about 500 meters, and an average annual flow rate of 20 cubic meters/second.