Martin Pritchard:
Bridge crossing the Afon Ogwen at the Tregarth tunnel, Twnnel Pendinas or Tynnal Tywyll Bethesda
Martin Pritchard:
At the south portal a road passes over. Above the road is the track-bed of the Penryhyn Railway.South portal of Tregarth tunnel, Twnnel Pendinas or Tynnal Tywyll Bethesda
Martin Pritchard:
Looking north from inside Tregarth tunnel, Twnnel Pendinas or Tynnal Tywyll Bethesda
Martin Pritchard:
Distance marker inside Tregarth tunnel, Twnnel Pendinas or Tynnal Tywyll Bethesda
Martin Pritchard:
A refugee area bricked up in the Tregarth tunnel, Twnnel Pendinas or Tynnal Tywyll Bethesda
Martin Pritchard:
The bridge that carried the Penrhyn railway track over the standard gauge line on the Bethesda side of the short tunnel
Martin Pritchard:
Looking North west from the Tregarth tunnel, Twnnel Pendinas or Tynnal Tywyll Bethesda towards the short 27 yd tunnel
Martin Pritchard:
Inside Tregarth tunnel, Twnnel Pendinas or Tynnal Tywyll Bethesda
Martin Pritchard:
South portal of Tregarth tunnel, Twnnel Pendinas or Tynnal Tywyll Bethesda
Martin Pritchard:
Although not original a nice touch a brige number plate which crosses the Afon Ogwen
Martin Pritchard:
Although not original a nice touch of a tunnel number id plate