Opened :?

Closed : 1974

Engineering code : ?

Length: ? yds

Long single track tunnel of approximately 1700 yards connecting the Llynfi valley to the Afan Valley in the area north of Maesteg. The north portal is in the grounds of a school and the south portal lies within a rough estate. It is bricked up. Pictures kindly donated by Morlock of Darkplaces
Pictures courtesy of Morlock