This is a list of the tallest structures on the island of Ireland.

Those in Northern Ireland are denoted by a light blue background, the rest are in the Republic of Ireland.

Tallest churches RankNameLocationCountyTypeYear completedHeightPicture1St Colman's CathedralCobh Cork cathedral19142St Macartan's CathedralMonaghan Monaghancathedral18933St Mary's CathedralKillarney Kerrycathedral19124St Patrick's College ChurchMaynooth Kildarechurch18915St John's CathedralLimerick Limerickcathedral18616St Anne's CathedralBelfast Antrimcathedral19047St Eugene's CathedralDerry Londonderrycathedral19038St Finbarre's CathedralCork Cork cathedral18799St Eunan's CathedralLetterkenny Donegal cathedral190010Cathedral of Saint Patrick and Saint FelimCavan Cavan cathedral1942Cavan Cathedral - Kilmore Diocese11St Peter and St Paul CathedralEnnis Clare cathedral187412Sacred Heart ChurchOmagh Tyrone church189913Church of Saints Augustine and JohnDublin Dublin church187414St. Peter's Roman Catholic Church, DroghedaDrogheda Louth church188415=St Columb's CathedralDerry Londonderry cathedral163316St Patrick's Cathedral (Church of Ireland)Dublin Dublincathedral119117St Patrick's Cathedral (Roman Catholic)Armagh Armagh cathedral190418St Patrick's Church, BelfastBelfastAntrimchurch187719St George's ChurchDublinDublinchurch181320St Mary of the Rosary ChurchNenaghTipperarychurch190621St. Marys Church of IrelandCarlowCarlowchurch1834

Tallest structures

Rank Name Location County Year completed Pinnacle height Pinnacle height Type Coordinates Remarks1 Strabane transmitting station Legfordrum (near Strabane) Tyrone 1963 305.5 m 1,002 ft Guyed mast 2Black Mountain transmitting stationHannahstown Antrim 1959 228.6 m 750 ft Guyed mast 3Mullaghanish transmitter Mullaghanish mountain Cork 1962 225 m 738 ft Guyed mast 4 Moneypoint Power Station Chimneys Moneypoint Clare 1985 218 m 715 ft Chimney ; 5 Poolbeg power station, Chimney 2 Poolbeg Dublin 1978 207.8 m 682 ft Chimney )6 Poolbeg power station, Chimney 1 Poolbeg Dublin 1970 207.48 m 681 ft Chimney 7 Kilroot power station chimney Kilroot (near Carrickfergus) Antrim 1981 198 m 650 ft Chimney 8 Drumlins Park Wind Farm Newbliss Monaghan 2024 180 m 590 ft wind turbine 9 Liffey meats wind turbine Ballyjamesduff Cavan 2017 169 m 554 ft wind turbine 10 Truskmore transmitter Sligo Sligo 1962 167.64 m 550 ft Guyed mast 11 Divis transmitting station Hannahstown Antrim 1955 (replaced and made taller in 2011) 166 m 545 ft stayed mast Was 141.7 m but replaced in 2011 Note these are a pair of twin masts.12 Three Rock transmitter Dublin Dublin 2002 152.4 m 500 ft Guyed mast 13 Aghada Power Station Chimney Cork Cork ? 152 m 499 ft Chimney 14 Tarbert Power Station, Chimney of Unit 3 and 4 Tarbert Kerry 1975 151 m 497 ft Chimney 15 Lisnagarvey transmitting station Magherageery (near Lisburn) Down 1936 145 m 476 ft Guyed mast It was 145 m when built, but has since been lowered in height to 99m16 Greystones Wind farm Greystones Wicklow ? 139.29 m 457 ft Wind turbines 17 Great Island Power Station Chimney Wexford Wexford ? 138 m 453 ft Chimney ; 18 Kippure transmitter Kippure mountain border of Dublin and Wicklow 1961 127 m 416 ft Guyed mast || 19 Ballylumford Power Station Chimneys Islandmagee Antrim 1974 126 m 413 ft Chimney 54.845 n5.787w 20 Kinnegad Cement Factory Chimney Killaskillen (close to Kinnegad) Meath ? 125.3 m 411 ft Chimney 20 Arklow Bank Wind Park Wicklow Wicklow ? 124 m 407 ft Wind turbines Offshore wind farm21 Mount Leinster transmitter Mount Leinster border of Carlow and Wexford ? 122 m 400 ft Guyed mast 22 Maghera transmitter Maghera Clare ? 121.92 m 400 ft Guyed mast 23 Cairn Hill transmitter Cairn Hill Longford ? 121.92 m 400 ft Guyed mast 24 Tarbert Power Station, Chimney of Unit 1 and 2 Tarbert Kerry 1969 121 m 397 ft Chimney 25 Kilgarvan Wind farm Kilgarvan Kerry ? 120 m 394 ft Wind turbines 26 Spire of Dublin Dublin Dublin 2003 120 m 394 ft Monument ) 27 Donnybrook Mast RTÉ campus Dublin 1961 109.7 m 360 ft Lattice tower 28 Moanvaun Wind farm Tipperary Tipperary ? 107.3 m 352 ft Wind turbines 29 Aughinish Alumina Plant Chimney Limerick Limerick ? 107 m 351 ft Chimney 30 Kiln of Limerick Cement Factory Limerick Limerick ? 107 m 351 ft Chimney 31 Samson, Harland and Wolff Belfast Antrim 1974 106 m 348 ft Crane 32 Kiln of Platin Cement Factory Platin (close to Drogheda) Meath ? 103.9 m 341 ft Klin 33 Ballywater Wind Farm Wexford Wexford ? 103 m 338 ft Wind turbines 34 Athlone transmitter Athlone Westmeath 1933 100 m 328 ft Guyed Mast ; Two guyed masts insulated against ground carried a T-antenna for broadcasting on 612 kHz. One of the two masts dismantled in 201135 Codling Banks Mast Wicklow Wicklow ? 100 m 328 ft Guyed Mast Offshore structure36 Coreen Wind farm Cavan Cavan ? 100 m 328 ft Wind turbines 37 Snugborough Wind farm Cavan Cavan ? 100 m 328 ft Wind turbines 38 Gartnaneane Wind farm Cavan Cavan ? 100 m 328 ft Wind turbines 39 Coomatallin Wind farm Cork Cork ? 100 m 328 ft Wind turbines 40 Meentycat Wind farm Cork Cork ? 100 m 328 ft Wind turbines 41 Beal Wind farm Kerry Kerry ? 100 m 328 ft Wind turbines 42 Beam Wind farm ? Donegal ? 99 m 325 ft Wind turbines 43 Goliath, Harland and Wolff Belfast Antrim 1969 96 m 315 ft Crane 44 Mount Eagle Wind farm Donegal Donegal ? 95.7 m 314 ft Wind turbines 45 Mweelin TV Mast Achill Island Mayo ? 91.44 m 300 ft Guyed mast 46 Dún Laoghaire Cranes Dublin Dublin ? 91.4 m 300 ft Crane 47 Bealadangan Radio Mast Galway Galway ? 91.4 m 300 ft Partially guyed tower Was used for RTÉ RnaG, now dismantled48 Cark Wind farm Donegal Donegal ? 91.1 m 299 ft Wind turbines 49 Greenoge Wind farm Wexford Wexford ? 90.2 m 296 ft Wind turbines 50 Dublin Airport ATC Tower Collinstown Dublin 2019 86.9 m 285 ft Air traffic control tower

Other categories Entries in the list that are in Northern Ireland are denoted by an asterisk, the others being in the Republic of Ireland.

SculpturesSpire of Dublin, Spire of Hope, St Anne's Cathedral, Belfast*, Gantry Cranes"Samson", Harland and Wolff, Belfast*, BridgesRiver Suir Bridge, Waterford, Boyne River Bridge, WindmillsKilgarvan Wind Farm (group of 14 wind turbines), ObelisksWellington Monument, Phoenix Park, (Tallest in Europe) LighthousesFastnet Rock Lighthouse, StadiumsCroke Park, Air traffic control towersDublin Airport ATC Tower, Moving sculpturesIrish Wave, Park West, Dublin, (Tallest in Europe) Round towersKilmacduagh monastery, CastlesNenagh Castle Keep, Standing stonesPunchestown, High crossesMuiredach's High Cross, Monasterboice,

Former

Cork mediumwave transmitter, 121.92 m (400 ft) guyed mast formerly located at , used for broadcasting on 729 kHz until 2008, dismantled in August 2024. Tullamore transmitter, 290 m (952 ft), demolished 2023 Clarkstown radio transmitter, 248 m (814 ft) demolished 2023 Bellacorick Cooling Tower, 89 m (290 ft), demolished 2007 Arrol Gantry, 70 m (228 ft), demolished 1969 Churchill House, Belfast, 66 m (215 ft), demolished 2004 Boyne Obelisk, 53 m (174 ft), destroyed 1923 National Grain Silo, 52 m (170 ft), demolished 2008 Ballymun Flats, 42 m (136 ft), demolished 2004–2015 Nelson's Pillar Monument, 41 m (134 ft), destroyed 1966

See also List of tallest buildings in Ireland List of tallest buildings and structures in Belfast List of tallest buildings and structures in Dublin

References

Other sources Tallest structures in Ireland