Jiuzhaigou Valley ——A world of fairy tale Notable features Jiuzhaigou posed of three valleys arranged in a Y shape. The Rize and Zechawa valleys flow from the south and meet at the centre of the site where they form the Shuzheng valley, flowing north to the mouth of the valley. Rize Valley(日则沟) The 18 km long Rize Valley (日则沟) is the south-western branch of Jiuzhaigou. It contains the largest variety of sites and is typically visited first. Going downhill from its highest point, one passes the following sites: The Primeval Forest (原始森林) Swan Lake (天鹅海) Grass Lake (草海) Arrow Bamboo Lake (箭竹海) Panda Lake (熊猫海) Five Flower Lake (五花海) Pearl Shoal (珍珠滩) Mirror Lake (镜海) The Primeval Forest It is a preserved ancient woodland . Swan Lake (天鹅海) It is a 2250 m long, 125 m wide picturesque lake named for its visiting swans and ducks Grass lake (草海) It is a shallow lake covered in intricate vegetation patterns Arrow Bamboo Lake (箭竹海) covering an area of 170,000 m², is a shallow lake with a depth of 6 m. It lies at an elevation of 2,618 m, and was a main feature site for the 2002 Chinese film Hero Panda Lake (熊猫海) features curious color patterns of blue and green. It empties into the multi-stream, multi-level Panda Waterfalls, dropping 78m in 3 steps. Five Flower Lake (五花海) Five Flower Lake (五花海, Wǔhuā Hǎi) is a shallow multi-colored lake whose bottom is criss-crossed by ancient fallen tree trunks.