Monday, August 24, 2026 Search My Trip EnglishChinese
World news · travel · culture
Taiwan The Taiwan Times
Taiwan's window to the world

Son River (Vietnam)

The 883rd longest river in the world

km

Son River or Troc River (Vietnamese: Sông Son or sông Tróc) (lit. Lipstick River, because its water is red in flooding season) is a tributary of Gianh River in Quảng Bình Province, North Central Coast region, Vietnam. This river runs in the territory of Quảng Bình Province. The upstream of this river with the length of 7729 m runs underground in limestone mountains of Phong Nha-Kẻ Bàng National Park. Son River makes confluence with Gianh River near Ba Đồn town of Quảng Trạch District before emptying into South China Sea.

Flows through: Vietnam.

River data from Wikidata (CC0); lengths normalised to a common unit.

Other major rivers

  1. Amazon6,992 km
  2. Nile6,650 km
  3. Yangtze River6,300 km
  4. Bian River5,806 km
  5. Yellow River5,464 km
  6. Paraná River4,880 km
  7. River Congo4,700 km
  8. Mekong River4,350 km