The Sichuan Giant Panda Nature Reserves located in southwest Sichuan province of China, is the home to more than 30% of the world's highly endangered Giant Pandas and is among the most important sites for the captive breeding of these pandas. It covers 9245 km2 with seven nature reserves and nine scenic parks in the Qionglai and Jiajin Mountains. Along with the Giant Panda, the sanctuary is a refuge to other endangered species such as the red panda, the snow leopard, and the clouded leopard. Outside of the tropical rainforests, it is among the botanically richest sites of the world, and is home to between 5,000 and 6,000 species of flora. It has been noted that the region is similar to the paleo-tropic forests of the Tertiary Era.

There are seven nature reserves in Sichuan. And most of them tourists go to see Giant Panda at Wolong Nature Reserve and the Chengdu Panda Breeding and Research Center.

Seven Nature Reserves
  - Wolong Nature Reserve
  - Fengtongzhai Nature Reserve 
  - Mt. Siguniang Nature Reserve
  - Laba River Nature Reserve
  - Heishui River Nature Reserve
  - Jintang-Kongyu Nature Reserve
  - Caopo Nature Reserve

Please know more from UNESCO description: http://whc.unesco.org/en/list/638