Ningxia Helan Mountain is a mountain range located in the Ningxia Hui Autonomous Region of China. It stretches approximately 150 kilometers and serves as a natural boundary between the Ningxia Plain and the Inner Mongolia Autonomous Region. The mountains are known for their unique geological formations and diverse ecosystems, making them a significant area for biodiversity. The region is also home to various cultural and historical sites, including ancient rock carvings and traditional villages. The Helan Mountain area is popular for outdoor activities such as hiking and photography, attracting both tourists and nature enthusiasts who wish to explore its scenic landscapes.