Wuhuahai is located in the middle section of Rizhigou, Sanzhaigou, Jiuzhaigou. In the upper reaches of the Peacock River, due to the travertine sedimentation on the seabed, various algae and the reflection of the trees on the shore, Wuhuahai presents geese, navy, dark green and royal blue. And so on a variety of colors, it is called "five flowers sea." Take the scenic eco-car to the Wuhuahai. Along the boardwalk along the lake, a section of the boardwalk on the west side of Wuhuahai is a better viewing point.