The Yuecheng Mountains (), also known as Laoshanjie (老山界), are a mountain range that lies on the border between Hunan Province and the Guangxi Zhuang Autonomous Region, of the People's Republic of China. The range is part of the Nanling Mountains of Central China. Its highest peak is Shenmaoding of Kitten Mountain, and its second peak is Zhenbaoding (also called Beibaoding).