Introduction to Rhinoceros Sea: Rhinoceros Sea is one of the lakes with the most varied scenery in Jiuzhaigou Valley. It is also the second largest sea in Jiuzhaigou Valley. Its reflection is almost the highest among all seas. At the end of the north bank is a lush green reed bush, while on the south bank there are lush woods, waterfalls, and a deep lake in the center. This landscape of mountains and waters makes people forget to leave.