Rank Name Location County Year completed Pinnacle height Pinnacle height Type Coordinates Remarks 1 Strabane transmitting station Legfordrum (near Strabane ) Tyrone 1963 305.5 m 1,002 ft Guyed mast 54°47′58″N 7°23′19″W / 54.79944°N 7.38861°W / 54.79944; -7.38861 (Strabane TV Mast ) 2 Black Mountain transmitting station Hannahstown Antrim 1959 228.6 m 750 ft Guyed mast 54°35′13″N 6°01′20″W / 54.58694°N 6.02222°W / 54.58694; -6.02222 (Black Mountain transmitting station ) 3 Mullaghanish transmitter Mullaghanish mountain Cork 1962 225 m 738 ft Guyed mast 51°59′00.2″N 9°08′39.1″W / 51.983389°N 9.144194°W / 51.983389; -9.144194 (Mullaghanish mast ) 4 Moneypoint Power Station Chimneys Moneypoint Clare 1985 218 m 715 ft Chimney 52°36′29.16″N 9°25′31.85″W / 52.6081000°N 9.4255139°W / 52.6081000; -9.4255139 (Moneypoint Power station chimney ) ; 52°36′27.68″N 9°25′24.7″W / 52.6076889°N 9.423528°W / 52.6076889; -9.423528 (Moneypoint Power station chimney ) 5 Poolbeg power station , Chimney 2 Poolbeg Dublin 1978 207.8 m 682 ft Chimney 53°20′24.84″N 6°11′19.38″W / 53.3402333°N 6.1887167°W / 53.3402333; -6.1887167 (Poolbeg power station, Chimney 2 ) )6 Poolbeg power station , Chimney 1 Poolbeg Dublin 1970 207.48 m 681 ft Chimney 53°20′24.82″N 6°11′23.79″W / 53.3402278°N 6.1899417°W / 53.3402278; -6.1899417 (Poolbeg power station, Chimney 1 ) 7 Kilroot power station chimney Kilroot (near Carrickfergus ) Antrim 1981 [6] 198 m 650 ft Chimney 54°43′28.25″N 5°46′2.15″W / 54.7245139°N 5.7672639°W / 54.7245139; -5.7672639 (Kilroot Power station ) 8 Liffey meats wind turbine Ballyjamesduff Cavan 2017 169 m 554 ft wind turbine 53°51′05.6″N 7°12′17.8″W / 53.851556°N 7.204944°W / 53.851556; -7.204944 (Liffey meats wind turbine ) 9 Truskmore transmitter Sligo Sligo 1962 167.64 m 550 ft Guyed mast 54°22′22.57″N 8°22′15.32″W / 54.3729361°N 8.3709222°W / 54.3729361; -8.3709222 (Truskmore transmitter ) 10 Divis transmitting station Hannahstown Antrim 1955 (replaced and made taller in 2011) 166 m 545 ft stayed mast 53°36′27″N 6°00′34″W / 53.60750°N 6.00944°W / 53.60750; -6.00944 (Divis transmitting station ) Was 141.7 m but replaced in 2011 Note these are a pair of twin masts.
11 Three Rock transmitter Dublin Dublin 2002 152.4 m 500 ft Guyed mast 53°14′39.98″N 6°14′17.33″W / 53.2444389°N 6.2381472°W / 53.2444389; -6.2381472 (Three Rock transmitter ) 12 Aghada Power Station Chimney Cork Cork ?152 m 499 ft Chimney 51°50′6.05″N 8°14′9.41″W / 51.8350139°N 8.2359472°W / 51.8350139; -8.2359472 (Aghada Power station Chimney ) 13 Tarbert Power Station, Chimney of Unit 3 and 4 Tarbert Kerry 1975 151 m 497 ft Chimney 52°35′24″N 9°21′46″W / 52.59000°N 9.36278°W / 52.59000; -9.36278 (Tarbert Power station ) 14 Lisnagarvey transmitting station Magherageery (near Lisburn ) Down 1936 145 m 476 ft Guyed mast 54°29′22″N 6°3′37″W / 54.48944°N 6.06028°W / 54.48944; -6.06028 (Lisnagarvey Blaw-Knox Radio Mast ) It was 145 m when built, but has since been lowered in height to 99m 15 Greystones Wind farm Greystones Wicklow ?139.29 m 457 ft Wind turbines 53°10′18.10″N 6°01′30.00″W / 53.1716944°N 6.0250000°W / 53.1716944; -6.0250000 (Greystones Wind farm ) 16 Great Island Power Station Chimney Wexford Wexford ?138 m 453 ft Chimney 52°16′43.82″N 6°59′37.76″W / 52.2788389°N 6.9938222°W / 52.2788389; -6.9938222 (Great Island Power Station Chimney ) ; 52°16′43.71″N 6°59′35.95″W / 52.2788083°N 6.9933194°W / 52.2788083; -6.9933194 (Great Island Power Station Chimney ) 17 Kippure transmitter Kippure mountain border of Dublin and Wicklow 1961 127 m 416 ft Guyed mast 53°10′40.93″N 6°19′53.82″W / 53.1780361°N 6.3316167°W / 53.1780361; -6.3316167 (Kippure transmitter ) [7] 18 Ballylumford Power Station Chimneys Islandmagee Antrim 1974 126 m 413 ft Chimney 54.845 n5.787w 19 Kinnegad Cement Factory Chimney Killaskillen (close to Kinnegad) Meath ?125.3 m 411 ft Chimney 53°25′52.84″N 7°08′33.78″W / 53.4313444°N 7.1427167°W / 53.4313444; -7.1427167 (Kinnegad Cement Factory Chimney ) 20 Arklow Bank Wind Park Wicklow Wicklow ?124 m 407 ft Wind turbines 52°47′28.00″N 5°56′48.00″W / 52.7911111°N 5.9466667°W / 52.7911111; -5.9466667 (Arklow Banks Wind farm ) Offshore wind farm 21 Mount Leinster transmitter Mount Leinster border of Carlow and Wexford ?122 m 400 ft Guyed mast 52°36′59″N 6°46′30″W / 52.61639°N 6.77500°W / 52.61639; -6.77500 (Mount Leinster transmitter ) [8] 22 Maghera transmitter Maghera Clare ?121.92 m 400 ft Guyed mast 52°58′6.9″N 8°43′6.89″W / 52.968583°N 8.7185806°W / 52.968583; -8.7185806 (Maghera transmitter ) [9] 23 Cairn Hill transmitter Cairn Hill Longford ?121.92 m 400 ft Guyed mast 53°48′28″N 7°42′52″W / 53.80778°N 7.71444°W / 53.80778; -7.71444 (Cairn Hill transmitter ) [10] 24 Cork mediumwave transmitter Cork Cork 1970 121.92 m 400 ft Guyed mast 51°52′57.05″N 8°23′58.46″W / 51.8825139°N 8.3995722°W / 51.8825139; -8.3995722 (Cork radio mast ) Insulated against ground, used for broadcasting on 729 kHz until 2008 25 Tarbert Power Station, Chimney of Unit 1 and 2 Tarbert Kerry 1969 121 m 397 ft Chimney 52°35′24″N 9°21′46″W / 52.59000°N 9.36278°W / 52.59000; -9.36278 (Tarbert Power station ) 26 Kilgarvan Wind farm Kilgarvan Kerry ?120 m 394 ft Wind turbines 51°55′58.80″N 9°19′20.95″W / 51.9330000°N 9.3224861°W / 51.9330000; -9.3224861 (Kilgarvan Wind farm ) 27 Spire of Dublin Dublin Dublin 2003 120 m 394 ft Monument 53°20′59″N 6°15′37″W / 53.34972°N 6.26028°W / 53.34972; -6.26028 (Spire of Dublin ) )28 Donnybrook Mast RTÉ campus Dublin 1961 109.7 m 360 ft Lattice tower 53°18′53.13″N 6°13′24.88″W / 53.3147583°N 6.2235778°W / 53.3147583; -6.2235778 (Donnybrook transmitter ) 29 Moanvaun Wind farm Tipperary Tipperary ?107.3 m 352 ft Wind turbines 52°38′44.80″N 8°08′54.44″W / 52.6457778°N 8.1484556°W / 52.6457778; -8.1484556 (Moanvaun Wind farm ) 30 Aughinish Alumina Plant Chimney Limerick Limerick ?107 m 351 ft Chimney 52°37′53.64″N 9°03′32.37″W / 52.6315667°N 9.0589917°W / 52.6315667; -9.0589917 (Aughinish Alumina Plant Chimney ) 31 Kiln of Limerick Cement Factory Limerick Limerick ?107 m 351 ft Chimney 52°38′33.92″N 8°41′23.72″W / 52.6427556°N 8.6899222°W / 52.6427556; -8.6899222 (Mungret Chimney ) 32 Samson , Harland and Wolff Belfast Antrim 1974 106 m 348 ft Crane 54°36′29″N 5°54′29″W / 54.60806°N 5.90806°W / 54.60806; -5.90806 (Samson Crane ) 33 Kiln of Platin Cement Factory Platin (close to Drogheda) Meath ?103.9 m 341 ft Klin 53°41′6.58″N 6°23′19.85″W / 53.6851611°N 6.3888472°W / 53.6851611; -6.3888472 (Kiln of Platin Cement Factory ) 34 Ballywater Wind Farm Wexford Wexford ?103 m 338 ft Wind turbines 52°32′25.92″N 6°13′40.29″W / 52.5405333°N 6.2278583°W / 52.5405333; -6.2278583 (Ballywater Wind farm ) 35 Athlone transmitter Athlone Westmeath 1933 100 m 328 ft Guyed Mast 53°25′14.14″N 7°52′45.87″W / 53.4205944°N 7.8794083°W / 53.4205944; -7.8794083 (Athlone transmitter ) ; 53°25′14.09″N 7°52′58.43″W / 53.4205806°N 7.8828972°W / 53.4205806; -7.8828972 (Athlone transmitter ) Two guyed masts insulated against ground carried a T-antenna for broadcasting on 612 kHz. One of the two masts dismantled in 2011 36 Codling Banks Mast Wicklow Wicklow ?100 m 328 ft Guyed Mast 53°07′44.87″N 5°50′49.54″W / 53.1291306°N 5.8470944°W / 53.1291306; -5.8470944 (Codling Banks Mast ) Offshore structure 37 Coreen Wind farm Cavan Cavan ?100 m 328 ft Wind turbines 54°08′32.27″N 7°38′38.60″W / 54.1422972°N 7.6440556°W / 54.1422972; -7.6440556 (Coreen Wind farm ) 38 Snugborough Wind farm Cavan Cavan ?100 m 328 ft Wind turbines 54°08′21.27″N 7°36′38.14″W / 54.1392417°N 7.6105944°W / 54.1392417; -7.6105944 (Snugborough Wind farm ) 39 Gartnaneane Wind farm Cavan Cavan ?100 m 328 ft Wind turbines 53°56′43.67″N 6°56′08.24″W / 53.9454639°N 6.9356222°W / 53.9454639; -6.9356222 (Gartnaneane Wind farm ) 40 Coomatallin Wind farm Cork Cork ?100 m 328 ft Wind turbines 51°39′03.62″N 9°5′38.87″W / 51.6510056°N 9.0941306°W / 51.6510056; -9.0941306 (Coomatallin Wind farm ) 41 Meentycat Wind farm Cork Cork ?100 m 328 ft Wind turbines 54°51′46.19″N 7°51′12.62″W / 54.8628306°N 7.8535056°W / 54.8628306; -7.8535056 (Meentycat Wind farm ) 42 Beal Wind farm Kerry Kerry ?100 m 328 ft Wind turbines 52°33′47.33″N 9°37′55.73″W / 52.5631472°N 9.6321472°W / 52.5631472; -9.6321472 (Beal Wind farm ) 43 Beam Wind farm ?Donegal ?99 m 325 ft Wind turbines 55°11′51.98″N 7°26′16.32″W / 55.1977722°N 7.4378667°W / 55.1977722; -7.4378667 (Beam Wind farm ) 44 Goliath , Harland and Wolff Belfast Antrim 1969 96 m 315 ft Crane 54°36′29″N 5°54′29″W / 54.60806°N 5.90806°W / 54.60806; -5.90806 (Samson Crane ) 45 Mount Eagle Wind farm Donegal Donegal ?95.7 m 314 ft Wind turbines 52°14′33.15″N 9°19′26.22″W / 52.2425417°N 9.3239500°W / 52.2425417; -9.3239500 (Mount Eagle Wind farm ) 46 Mweelin TV Mast Achill Island Mayo ?91.44 m 300 ft Guyed mast 53°57′19″N 10°1′42.45″W / 53.95528°N 10.0284583°W / 53.95528; -10.0284583 (Mweelin TV Mast ) 47 Dún Laoghaire Cranes Dublin Dublin ?91.4 m 300 ft Crane 53°17′40.87″N 6°7′53.73″W / 53.2946861°N 6.1315917°W / 53.2946861; -6.1315917 (Dún Laoghaire Cranes ) 48 Bealadangan Radio Mast Galway Galway ?91.4 m 300 ft Partially guyed tower 53°18′36.84″N 9°36′30.23″W / 53.3102333°N 9.6083972°W / 53.3102333; -9.6083972 (Bealadangan Mast ) Was used for RTÉ RnaG, now dismantled 49 Cark Wind farm Donegal Donegal ?91.1 m 299 ft Wind turbines 54°53′06.20″N 7°51′33.12″W / 54.8850556°N 7.8592000°W / 54.8850556; -7.8592000 (Cark Wind farm ) 50 Greenoge Wind farm Wexford Wexford ?90.2 m 296 ft Wind turbines 52°39′28.23″N 6°43′31.69″W / 52.6578417°N 6.7254694°W / 52.6578417; -6.7254694 (Greenoge Wind farm ) 51 Dublin Airport ATC Tower Collinstown Dublin 2019 86.9 m 285 ft Air traffic control tower 53°25′44.3″N 6°15′50.8″W / 53.428972°N 6.264111°W / 53.428972; -6.264111 (Dublin Airport ATC Tower )