sentences:  Kherlen River
  
  Kherlen River (also known as Kern or Kerülen; ; ) is a river of 1,254 km length in Mongolia and China.The river has its origin in the south slopes of the Khentii mountains, near the Burkhan Khaldun mountain in the Khan Khentii Strictly Protected Area, about 180 km northeast of Ulaanbaatar.