Cave — in this subgroup, we have gathered information for you about the most interesting and impressive caves and grottoes of Vietnam. It is no secret that 80% of Vietnam's territory is occupied by low and medium-altitude mountains. The rock formations themselves sometimes contain cavities and channels. This means that the country has a wide variety of caves.

One of the most famous places is called Phong Nha-Kebang, located near the city of Dong Hoi. This place is a system of caves and tunnels, and is a World Heritage site. The longest cave in Vietnam is located in the Ha Long Bay area and is called Quang Hanh. The length of this cave is a whopping 1300 meters.

There is also a very ancient cave from the Jurassic period, named Tham Khuyen, located in Lang Son. One of the most impressive caves is located in Cao Bang province. Its name is Nguom Ngao; during the war with China, local residents took shelter precisely in this cave. Another impressive cave can be found in Lai Chau province, called Pu Sam Cap. In addition to the caves listed above, you will find even more interesting locations in our list.