Jiuzhaigou Valley is part of the Min Mountains on the edge of the Tibetan Plateau and stretches over . It is known for its many multi-level waterfalls, colorful lakes, and snow-capped peaks. Its elevation ranges from .
Jiuzhaigou Valley was inscribed by UNESCO as a World Heritage Site in 1992 and a World Biosphere Reserve in 1997. It belongs to the category V (Protected Landscape) in the IUCN system of protected area categorization.
Jiuzhaigou most commonly refers to the Jiuzhaigou Nature Reserve in northwestern Sichuan, China.
Jiuzhaigou may also refer to:
- Jiuzhaigou County, containing the nature reserve
- Jiuzhai Huanglong Airport, occasionally Jiuzhaigou [Huanglong] Airport