The main line of the Saundersfoot Railway (nprn 43052) opened in 1832 between Saundersfoot Harbour (nprn 34611) and Thomas Chapel. It was of 4ft 0 3/8in gauge. The main line was extended to serve Reynalton Colliery (nprn 91716) in 1915. The colliery closed in 1921 and the extension was abandoned, the whole Saundersfoot Railway closing finally in 1939.
Sources include: The Saundersfoot Railway, M R C Price, Oakwood Press, 3rd edition 1978.
B.A.Malaws, RCAHMW, 18 September 2013.