Huanglong is a scenic and historic interest area in the northwest part of Sichuan, China. It is located in the southern part of the Minshan mountain range, 370 kilometres (230 mi) north-northwest of the capital Chengdu. 

This area is known for its colorful travertine pools formed by calcite deposits, especially in Huanglonggou (Yellow Dragon Gully), as well as diverse forest ecosystems, snow-capped peaks, waterfalls and hot springs. Huanglong is also home to many endangered species including the giant panda and the Sichuan golden snub-nosed monkey. 

In addition, a large population of the endemic orchid species 'Cypripedium plectrochilum' was discovered at the site  Huanglong was declared a World Heritage Site by UNESCO in 1992 because of its outstanding travertine formations, waterfalls and limestone formations as well as its travertine terraces and lakes rating among the three most outstanding examples in the world.

- Wikipedia