1. Wulingyuan Wulingyuan Scenic Area is located in Zhangjiajie City, Hunan Province. With a total area of 264Km², it consists of Zhangjiajie National Forest Park, Suoxiyu and Tianzi Mountain. The underground caves in the area are beaded with jade, and the length of the developed Huanglong Cave is 11 kilometers. Wulingyuan is famous for its &”;five wonders&”; of peaks, rocks, valleys, beautiful waters and caves.