It is located in the Yanhu Lake Scenic Area. The gate of the valley is full of rock, and the barrier wall in the north and south sides face each other in the sky. There is a huge stone dependents under the rock wall in the southern, and a cave in the middle. The visitors go into the valley just pass the cave of more than 1m wide.

The depth of the valley is about 300m. The stone step which is spreaded more than 100 steps looks like a scaling ladder. When you enter into it, you will feel that it is more and more wide. It is very deep, serene and silent.

There is a gap on the left mountain of the valley bottom. The water is pouring so called Tiyun Waterfall. The pond water is so clear that can see the pond bottom. Let the visitors feel resreshing. In the southeastern of the gate of valley, there is a peak rising abruptly out of the ground. It is about 100m high. It looks like an ornamental column of ancient palace, is called Shibiao Peak.