Fuping Jingshan Plateau 1958 or so. Jingshan Plateau is located at the junction of yanliang district, Xi City, Shaanxi Province, Fuping County, Weinan City and Sanyuan County, Xianyang City. In a broad sense, Jingshan refers to today's rugged Shandong in Sanyuan County to Guanshan Town in yanliang district, which is more than 90 miles from east to west. In a narrow sense, Jingshan refers to a small part of Sanyuan in the west, north of Yanliang, south of Fuping, with an altitude of 379.2-483.2 meters, which is more than 130 meters higher than that of Yanliang Plain.