The station, which opened on 1 July 1852, was first named
Carnarvon. The town was originally the
terminus of the branch line from Menai Bridge, later becoming part of the
Carnarvonshire Railway. In 1864, the
Carnarvon and Llanberis Railway extended the branch line from Carnarvon station to
Llanberis. A tunnel was constructed just south of the station to carry the new line; it was reopened in 1995 as a road tunnel. By 1871, all three original companies were absorbed into the
London and North Western Railway. The station was renamed
Caernarvon on 27 March 1926. On 5 January 1970, Caernarvon was closed to all services. However, following a fire that badly damaged the
Britannia Bridge over the
Menai Straits on 23 May 1970, the branch and goods yard were temporarily reopened for freight traffic until 30 January 1972. The branch line to Caernarvon station was finally closed with the resumption of rail services to
Anglesey and in February 1972. The track was removed and the station was completely demolished. ==The site today==