title: Bắc Khê River
text: # Bắc Khê River
  
  The Bắc Khê (Vietnamese: Sông Bắc Khê) is a left tributary of the Kỳ Cùng River. It is 54 km long with a catchment area of 801 $km^2$ and flows through Tràng Định District in Lạng Sơn Province in northeastern Vietnam. The river flows in a northeasterly-north direction and ends near the border with Cao Bằng Province.
  
  