Pencader Tunnel
…the old trackbed of the Carmarthen to Aberystwyth main line in south-west Wales. It was originally bored for the Llanpumsaint-Pencader section of the Carmarthen and Cardigan Railway (C&CR). It is approximately 988 yards (903 m) long (just over half-a-mile), making it the longest tunnel in West Wales and is bored through Ordovician…