The Khingan Mountains are a mountain range located in northeastern China and southeastern Mongolia. They stretch approximately 1,000 kilometers and are known for their diverse ecosystems, including forests, grasslands, and wetlands. The mountains are primarily composed of granite and are home to various wildlife species. The Khingan Mountains play a significant role in the region's climate, influencing rainfall patterns and serving as a natural barrier. They are also important for local communities, providing resources such as timber and water. The area is rich in cultural history, with several indigenous groups residing nearby.