Introduction to Zechawa Valley: Zechawa Valley is a tourist route with beautiful scenery as the left branch of the "Y" shaped structure of Jiuzhaigou Scenic Area. Zechawa Valley is 18 kilometers long from Nuorilang Hotel to Changhai. It is the longest and highest altitude of the four tourist routes in Jiuzhaigou Valley. There are many mountains in Zhawa Valley, and the mountains are tall and straight. Looking into the distance, you can have a panoramic view of the snow-capped peaks. Under the bright sun, the "U"-shaped valley of the glacier is dazzling. Further south from Nuorilang Waterfall, the Jiuzhaigou Scenic Area sightseeing channel is divided into two. Going deep to the south is the Zechawa Valley, which is 17.8 kilometers long. It is the longest ditch developed in Jiuzhaigou with a total length of 18 kilometers. Passing through Season Sea, Wucai Pond, and finally reaching Changhai Sea at an altitude of 3,100 meters.