It is a mysterious and unique geological landscape located in Mauritania. This underground river cave system is hidden deep beneath the desert and is a valuable subject of study for explorers and geologists. It is a hidden waterway that flows beneath the surface, providing an unexpected source of water for arid desert regions. These caves not only provide clues for scientists to study geological history and hydrogeology, but also offer opportunities for biologists to study cave ecosystems. Due to its concealment, it retains its original appearance and natural beauty. This also means that accessing these caves may require professional guides and appropriate equipment.

It is a natural wonder located in Mauritania, consisting of a groundwater system that includes the Aouk underground river and the Kuom and AirAouk springs. These underground water sources provide valuable water sources in the desert areas of Mauritania and play a crucial role in maintaining the balance of the local ecosystem. As a natural outlet for groundwater flow, it has formed an oasis, attracting a diverse population of flora and fauna, and becoming a vibrant green space in the desert. Not only is it crucial for local wildlife and plants, but it may also have a significant impact on the lives of residents in surrounding communities, providing drinking water and irrigation sources.