The Kowà Ân T'an'gwang Line, or Kowà Ân Colliery Line, is an electrified secondary line of the Korean State Railway in Sudong District, South Hamgyà Âng Province, North Korea, running from Tunjà Ân on the P'yà Ângra Line to Changdong.
A yellow background in the "Distance" box indicates that section of the line is not electrified.