Mountain rock introduction: Various rocks coexist on a rock wall, such as shale, sandstone, conglomerate, and also etched sandstone, which is the lava landform of Yangshuo. There are many longitudinal cracks left by orogeny on the rock surface, and there are also schist layers formed by river cutting and erosion. The narrow rock cracks can only fit a little finger, and the wide rock cracks can squeeze two people in. There are some natural cracks. Stone pillars and small trees can be used as pitch points for rock climbing. The stretching rock walls are full of rock cracks and fissures that can be climbed, ranging in height from 30 meters to 200 meters, with varying degrees of difficulty. There will be different rock qualities on the same cliff. The bottom is shale, and the top is etched mudstone, with various holes. It can definitely be said to be a wild rock climbing place that rock climbing enthusiasts dream of.