Ban Gioc–Detian Falls
waterfall
Bản Giốc – Detian Falls or Bản Giốc Falls is a collective name for two waterfalls on the Quây Sơn River (Vietnamese: Sông Quây Sơn, chữ Nôm: 滝𢮿山; Chinese: 归春河, Pinyin: Guīchūn hé) that straddle the international border between China and Vietnam; more specifically located between the Karst hills of Daxin County, Guangxi and Trùng Khánh District, Cao Bằng Province. The waterfalls are located 272 km (169 mi) north of Hanoi.
Characteristics
Over thousands of years, the waterfall has eroded its crest and slowly moved upstream. It currently appears to be two waterfalls most of the time, but when the river is swollen due to summer rains can form one fall again.
In Vietnamese, the two falls are considered as two parts of one waterfall with the sole name Bản Giốc. The two parts are thác chính (Main waterfall) and thác phụ (Subordinate waterfall). Chinese texts sometimes name both of the water falls as Détiān Falls (Chinese: 德天瀑布) on the Chinese side.
The waterfall drops 30 m (98 ft). It is separated into three falls by rocks and trees, and the thundering effect of the water hitting the cliffs can be heard from afar.
It is currently the 4th largest waterfall along a national border, after Iguazu Falls, Victoria Falls, and Niagara Falls.
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Named sources, stable identifiers and responsible institutions provide the strongest route from overview to verifiable evidence. The source revision retrieved here is dated Jul 2, 2026. The linked authority identifier is Q983252. Authority coordinates are 22.856, 106.722. 1 of 1 selected statements include explicit references; 0 carry qualifiers and 0 use preferred rank.
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This entry incorporates text from “Ban Gioc–Detian Falls” on English Wikipedia. Contributors are listed in the page history. Text is available under the Creative Commons Attribution-ShareAlike 4.0 License. Selected authority identifiers and statements are retrieved from Wikidata under CC0; their references and qualifiers remain part of the verification path.