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TSVC1190 · CC BY-SA 4.0
The frontier land of Lang with sacred limestone caves, cloud-covered Mau Son Peak, bustling border markets and rich ethnic identity.
Lang Son is a northeastern border province with charming scenery and deep history. The land of Lang is famous for Tam Thanh Cave, the To Thi statue, the Mac dynasty citadel and the cloud-shrouded Mau Son Peak, which sees ice and frost in winter. The bustling Tan Thanh and Dong Kinh border markets draw shoppers. The Tay, Nung and Dao cultures, with their sli and luon folk songs, give the land of Lang its own special charm.
Best time to visit: September to December
A sacred limestone cave in the heart of Lang Son city, famous for its ancient cave temple and as the 'finest of the eight scenic wonders of Lang'.
The busiest international crossing on the northern border — where Highway 1 begins, at boundary marker 1116.
A peak shrouded in cloud all year, one of the rare places in the north to see winter ice and frost, with peach orchards and ancient tea trees.