The Yanshan Mountains are a major mountain range located in northern China, stretching approximately 1,000 kilometers. They form a natural barrier between the northern plains and the northeastern region of the country. The range is known for its diverse landscapes, including steep peaks, deep valleys, and rich forests. The highest peak in the Yanshan Mountains is Mongolia's Mount Changbai, which reaches an elevation of 2,744 meters. The mountains are also home to various wildlife species and play a crucial role in the local climate, influencing weather patterns in the surrounding areas.