It takes up most of the area of four of the province's districts: Mèo Vạc, Đồng Văn, Yên Minh, and Quản Bạ.
There are many huge mountains here, the highest one is Mount Mieu Vac (1971 m), meanwhile, there are also many deep canyons, the deepest one is Tu San (about 800 m).
Geoheritages date from the Cambrian (about 550 million years ago) to the present in seven different stages and include palaeobiology, stratigraphy, geomorphology, tectonics, karst, caves and also important faults.
This includes 3 groups of sedimentary, igneous and metamorphic rocks, as well as stratigraphic, lithostratigraphic and biostratigraphic specificities.
Media related to Dong Van Karst Plateau Geopark at Wikimedia Commons