Kabul River , or Kabal River ( Persian : Ø Ø Û Ø Û Ú Ø Ø Ù ) , is a river that rises in the Sanglakh Range in Afghanistan , separated from the watershed of the Helmand by the Unai Pass . Kabul River , classically called the Cophes , is a river that rises in the Sanglakh Range in Afghanistan , separated from the watershed of the Helmand by the Unai Pass .