The 18 km long Rize Valley 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 is a preserved ancient woodland. It is fronted by spectacular views of the surrounding mountains and cliffs, including the 500 m high blade-shaped Sword Rock.
Swan Lake is a 2250 m long, 125 m wide picturesque lake named for its visiting swans and ducks.
Grass Lake is a shallow lake covered in intricate vegetation patterns.
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Arrow Bamboo Lake, 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 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 is a shallow multi-colored lake whose bottom is criss-crossed by ancient fallen tree trunks.
Pearl Shoal is a wide, gently sloping area of active calcareous tufa deposition covered in a thin sheet of flowing water. It empties into the famous Pearl Waterfalls, where the shoal drops 28 m in a 310 m wide broad curtain of water. A scene of the television adaptation of Journey to the West was filmed there.
Mirror Lake is another quiet lake casting beautiful reflections of the surroundings when the water is calm.