Ireland formerly had numerous narrow-gauge railways, most of which were built to a gauge of 3 ft (914 mm). The last (non-preserved) line to close was the West Clare Railway in 1961 (though it has been partially preserved).
Dublin and Lucan Electric Railway; opened 1900, closed 1925
A Giant's Causeway & Bushmills Railway station.
The defunct Giant's Causeway Tramway near Dunluce Castle c. 1890.
The Slieve Callan locomotive stopped at a station on the West Clare Railway.
Passengers riding on the defunct Galway and Salthill Tramway c. 1910.
Cork Electric Tramways and Lighting Company; opened 1898, closed 1931
Steam Train Express (located in Tayto Park); opened 2015 (operating)
Bellevue Park Railway (located in Bellevue Park); opened 1933, closed 1950 (defunct - park still operating)
Difflin Lake Railway (located in Oakfield Park); opened 2003 (operating)
Listowel and Ballybunion Railway; opened 1888, closed 1924; partially preserved