
Treasures of Bac Son Arch
The unique values of archaeology, history, culture, and geomorphology-geology on the arch of the Bac Son limestone mountains are not only considered “treasures” by the scientific community but also “key” for the future development of tourism in the surrounding area of Lang Son Geopark.
![]() |
Sunrise over Bac Son Valley. (Photo: VNP/VNA) |
![]() |
The Chi Lang mountain range in Chi Lang district. (Photo: VNA) |
![]() |
A performance of Then singing and the Tinh musical instrument in Bac Son. (Photo: Lang Son Tourism Promotion Information Centre Files) |
(Source: VNA)