九寨沟,由树正群海沟、则查洼沟、日则沟三条主沟组成,海拔平均在2500米左右。
Three scenic areas-Shuzheng qunhaigou , Zechawagou and Rizegou-combine to make up the 60000 hectares of fairyland , which is nearly 2500 meters above sea level .