Chaihe River scenic area enjoys unique natural sceneries in early autumn. As a national scenic park, Chaihe River scenic area is noted for the unique volcano geography of Great Hinggan, and well-preserved primitive forests, owning the name of natural oxygen bar.

Chaihe River scenic area is located in Zalantun in north China’s Inner Mongolia Autonomous Region. The scenic zone hosts delightful views all year round: fragrant flowers in spring, misty mountains in summer, colorful pools in autumn and pure white in winter, with autumn being the most attractive season.