The average altitude of Changhai Pond is 3060 meters, among which the highest one is 4457 meters. It lies at the end of Zechawa valley.
The width of Changhai Pond is over 600 meters and the deepest place of Changhai Pond is over 100 meters. Thus, Changhai Pond is the widest and deepest pond among those of at Jiuzhaigou.
Wuhua Pond has the altitude of 2472 meters, and the depth of 5 meters. In Wuhua Pond Scenic Area, there is the famous scenic spot -Jiuzhaigou Valley, which has the reputation of "the essence in Jiuzhaigou Valley Scenic and Historic Interest Area".
Although in the same pond, there are many different colors of yellow, dark green, dark blue, etc. Wuhua Pond is the most fantastic spot among those of at Jiuzhaigou Valley Scenic and Historic Interest Area. The hills around Wuhua Pond change to a splendid picture when fall comes. The best colorful leaves are from the trees near the outer lakes, and they look like fire cracks in fall time. Therefore, it is very worth visiting here.
Shangjijie Hai (Upper Seasonal Lake) is situated in a lush and luxuriant cal, while Xiajijie Hai (Lower Seasonal Lake) is closely next to Wucai Chi (Five Color Pond). Volume of the two lakes varies timely: sometimes overflowing, and sometimes dried up.
In rainy autumns, the water is rising, with a color of bright blue while turn glossy green in summers. In winters, they run dry, and throughout the bed grow up many grasses, making the lakes excellent pasture beaches. Precious plant - Ruoxiwichi, grows here in winters.