Suoxiyu Valley is the center of Wulingyuan scenic zone, strecthing an area of more than 180 square kilometers and is the largest of the three zones.
The mountain here is mainly composed of sandstone peaks as that in Zhangjiajie and Tianzi Mountain.
In the east of the valley, there is a collection of caves, namely, Yellow Dragon Cave, Goddess Cave, etc., which are made of limestone.
Referred to wild lives, Suoxiyu Valley boasts more than 20 rare species, such as leopards, pangolins, and giant salamanders. There are more than 20 groups of rhesus monkeys with a total number reaching to 1000. According to scientific statistics, trees here have 93 families, 208 genus, and 679 species in all. Among them, those that are under national special protection reach to 19 species. Wild medicinal herbs are extraordinarily rich. There are 500 species in all.