Da Hinggan Ling, also known as the Greater Khingan Range, is a mountain range located in northeastern China. It stretches across the Inner Mongolia Autonomous Region and Heilongjiang Province, forming a natural barrier between the plains to the south and the vast forests to the north. The range is characterized by its rugged terrain, dense forests, and diverse wildlife. The region is significant for its ecological importance, as it is home to various species, including the endangered Siberian tiger. Additionally, Da Hinggan Ling plays a crucial role in the local climate, influencing weather patterns and serving as a vital water source for surrounding areas.