Huu Nghi International Border Gate
Huu Nghi International Border Gate is a major Vietnam–China border crossing located on National Highway 1A in Dong Dang Town, Cao Loc District, Lang Son Province, about 170 km northeast of Hanoi. Marking the northern terminus of Highway 1A, it faces Youyiguan on the Chinese side in Guangxi. The gate features a prominent arch and border markers and serves as an important trade, tourism and transit point between the two countries.