This is one of the most complex parts of the karst plateau typified by continuous karst pyramids, karst cones, slopes and karst walls. Thus, Ma Pi Leng is called the first-rate landscape. At a depth of 700-800 m, a length of 7 km and 70-90° steep cliffs, this is the most spectacular landscape on the karst plateau. The canyon is measured the deepest of its kind in Vietnam and perhaps in Southeast Asia. The first-rate landscape was Ma Pi Leng is classified by scientists as an international tectonics - landforms heritage - a deserving recognition for the astonishing landscape full of legendaries and fairy tales.