Originally built by the elder Benjamin Hall (1778-1817), not his son of the same name as mentioned in the schedule, the tunnel was later enlarged for a full size standard gauge railway. A brick-lined, horseshoe-shaped arch forms the western end of the tunnel. Also of note is a riveted iron trough aqueduct supported by slender stone piers spanning the rock-lined cutting immediately west of the portal, dating from the same time as the widening work but overlooked by the ‘experts’ at Cadw.
Uploaded by Lee Holland on 27 December 2021
Photo ID: 280004
Building ID: 300021503
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