Attractions

Nhi Thanh Cave

Nhi Thanh Cave is a natural limestone cave in Tam Thanh Ward, Lang Son City, Lang Son Province, northern Vietnam. Discovered and developed in the late 18th century by official Ngo Thi Si, the cave extends about 500 meters through limestone karst. It is notable for its stalactites, underground stream, historic stone inscriptions and poems, and a small Buddhist shrine inside. Designated a national historic and scenic relic, it is a key cultural attraction in Lang Son.