Ban Gioc Waterfall is a collective name for two waterfalls (Ban Gioc–Detian Falls) on the Quay Son River, that straddle the international border between China and Vietnam.
The Quay Son River is a river of Cao Bang Province, Vietnam and of Guangxi province, China. The river originates in China at Jingxi County in the Chongshan Mountain Range. For part of its length it runs along the Chinese–Vietnamese border, including the scenic Ban Gioc–Detian Falls.
Cao Bang Province, Vietnam