Including islands

• Northernmost point: Inishtrahull
  Inishtrahull Island
  Inishtrahull is located approx north-east of Malin Head, Inishowen, County Donegal. It is the most northerly island of Ireland. The most northerly landfall of Ireland, the Tor Beg rock is located another one kilometer to the North West of Inishtrahull. Inishtrahull has an area of...
  
  , County Donegal
  County Donegal
  County Donegal is a county in Ireland. It is part of the Border Region and is also located in the province of Ulster. It is named after the town of Donegal. Donegal County Council is the local authority for the county...
  
  , Republic of Ireland
  Republic of Ireland
  Ireland , described as the Republic of Ireland , is a sovereign state in Europe occupying approximately five-sixths of the island of the same name. Its capital is Dublin. Ireland, which had a population of 4.58 million in 2011, is a constitutional republic governed as a parliamentary democracy,...
  
  
• Southernmost point: Fastnet Rock
  Fastnet Rock
  Fastnet Rock is a small island in the Atlantic Ocean and the most southerly point of Ireland. It lies southwest of Cape Clear Island and from County Cork on the Irish mainland...
  
  , County Cork
  County Cork
  County Cork is a county in Ireland. It is located in the South-West Region and is also part of the province of Munster. It is named after the city of Cork . Cork County Council is the local authority for the county...
  
  , Republic of Ireland
• Westernmost point: Tearaght Island
  Tearaght Island
  Tearaght Island or Inishtearaght is an uninhabited steep rocky island west of the Dingle Peninsula, County Kerry, Republic of Ireland. At longitude 10° 39.7' Tearaght is the westernmost of the Blasket Islands, and thus the westernmost island in the Republic of Ireland and the British Isles...
  
  , County Kerry
  County Kerry
  Kerry means the "people of Ciar" which was the name of the pre-Gaelic tribe who lived in part of the present county. The legendary founder of the tribe was Ciar, son of Fergus mac Róich. In Old Irish "Ciar" meant black or dark brown, and the word continues in use in modern Irish as an adjective...
  
  , Republic of Ireland
• Easternmost point: Canon Rock, County Down
  County Down
  -Cities:*Belfast *Newry -Large towns:*Dundonald*Newtownards*Bangor-Medium towns:...
  
  , Northern Ireland
  Northern Ireland
  Northern Ireland is one of the four countries of the United Kingdom. Situated in the north-east of the island of Ireland, it shares a border with the Republic of Ireland to the south and west...
  
  

• Northernmost settlement: Ballyhillin, Inishowen Peninsula
  Inishowen
  Inishowen is a peninsula in County Donegal, part of the Province of Ulster in the north of Ireland. It is also the largest peninsula in all of Ireland. Inishowen is a picturesque location with a rich history...
  
  , County Donegal, Republic of Ireland
• Southernmost settlement: Clear Island, County Cork, Republic of Ireland
• Westernmost settlement: Dunquin
  Dunquin
  Dún Chaoin , meaning "Caon's stronghold", is a Gaeltacht village in west County Kerry, Ireland. Dunquin lies at the Western tip of the Dingle Peninsula, overlooking the Blasket Islands. At 10°27'16"W, it is the most westerly settlement of Ireland...
  
  , Dingle Peninsula
  Dingle Peninsula
  The Dingle Peninsula is the northernmost of the major peninsulae in County Kerry. Its ends beyond the town of Dingle at Dunmore Head, the westernmost point of Ireland.-Name:...
  
  , County Kerry, Republic of Ireland
• Easternmost settlement: Portavogie
  Portavogie
  Portavogie is a village, townland and fishing port in County Down, Northern Ireland. It had a population of 1,594 people in the 2001 Census. It lies within the Borough of Ards and is the easternmost settlement in Ireland....
  
  , Ards Peninsula
  Ards Peninsula
  The Ards Peninsula is a peninsula in County Down, Northern Ireland which separates Strangford Lough from the North Channel of the Irish Sea, on Ireland's northeast coast. A number of towns and villages are located on the peninsula, such as the seaside town of Donaghadee, with the surrounding area...
  
  , County Down, Northern Ireland

Mainland only

• Northernmost point: Banba's Crown (near Malin Head
  Malin Head
  Malin Head , on the Inishowen Peninsula, County Donegal, is usually given as the most northerly headland of the mainland of Ireland . In fact, the most northerly point is actually a headland named Banba's Crown on the Inishowen Peninsula about 2 km to the northeast...
  
  ), Inishowen Peninsula, County Donegal, Republic of Ireland
• Southernmost point: Brow Head
  Brow Head
  Brow Head is the most southerly point of mainland Ireland. It is situated 3.8 km east of the marginally more northerly Mizen Head, County Cork, Ireland. It lies at latitude 51.43ºN....
  
   (near Mizen Head
  Mizen Head
  Mizen Head , is located at the extremity of a peninsula in the district of Carbery in County Cork, Ireland. It is one of the extreme points of the island of Ireland and is a major tourist attraction, noted for its dramatic cliff scenery...
  
  ), County Cork, Republic of Ireland
• Westernmost point: Dunmore Head, Dingle Peninsula, County Kerry, Republic of Ireland (or nearby Garraun Point
  Garraun Point
  Garraun Point, on the Dingle Peninsula, County Kerry, Ireland, is the westernmost point of mainland Ireland. It is located 2.5 km northwest of Slea Head. Latitude : 52° 6' 12 N Longitude : 10° 30' 40 W...
  
   according to some sources)
• Easternmost point: Burr Point
  Burr Point
  Burr Point is the easternmost point of mainland Northern Ireland, and the easternmost point of mainland Ireland. It is located in the townland of Ballyhalbert on the Ards Peninsula in County Down, at longitude 5.43ºW...
  
  , Ards Peninsula, County Down, Northern Ireland

• Northernmost settlement: Ballyhillin, Inishowen Peninsula, County Donegal, Republic of Ireland
• Southernmost settlement: Crookhaven
  Crookhaven
  Crookhaven is a village in County Cork, Ireland, on the most southwestern tip of Ireland. A winter population of about forty swells in the summer to about four hundred with the occupants of the many holiday homes arriving.-History:...
  
  , County Cork, Republic of Ireland
• Westernmost settlement: Dunquin
  Dunquin
  Dún Chaoin , meaning "Caon's stronghold", is a Gaeltacht village in west County Kerry, Ireland. Dunquin lies at the Western tip of the Dingle Peninsula, overlooking the Blasket Islands. At 10°27'16"W, it is the most westerly settlement of Ireland...
  
  , Dingle Peninsula, County Kerry, Republic of Ireland
• Easternmost settlement: Portavogie
  Portavogie
  Portavogie is a village, townland and fishing port in County Down, Northern Ireland. It had a population of 1,594 people in the 2001 Census. It lies within the Borough of Ards and is the easternmost settlement in Ireland....
  
  , Ards Peninsula, County Down, Northern Ireland

Altitude

• Highest point: Carrauntoohil, County Kerry, Republic of Ireland (1,041 m / 3,466 ft)
• Highest settlement: Meelin
  Meelin
  Meelin is a village in northern Duhallow, County Cork, Ireland. At 832 feet above sea level it is thought to be Ireland's highest village although Glencullen, Dublin sits 27.5 metres above Meelin at 922 feet. The village is situated near the border of Cork and Limerick.-History:Fulacht fiadh's are...
  
  , County Cork, Republic of Ireland (254 m / 832 ft)
• Lowest point: North Slob
  North Slob
  The North Slob, also known as the Wexford Wildfowl Reserve, is an area of mud-flats at the estuary of the River Slaney at Wexford Harbour, Ireland. The North Slob is an area of 1,000 hectares that was reclaimed in the mid-19th century by the building of a sea wall...
  
  , County Wexford, Republic of Ireland (-3 m / -10  ft)
• Lowest settlement: N/A

Including islands

• Northernmost point: Inishtrahull
  Inishtrahull Island
  Inishtrahull is located approx north-east of Malin Head, Inishowen, County Donegal. It is the most northerly island of Ireland. The most northerly landfall of Ireland, the Tor Beg rock is located another one kilometer to the North West of Inishtrahull. Inishtrahull has an area of...
  
  , County Donegal. See also Ireland's claim to Rockall
  Rockall
  Rockall is an extremely small, uninhabited, remote rocky islet in the North Atlantic Ocean. It gives its name to one of the sea areas named in the shipping forecast provided by the British Meteorological Office....
  
  .
• Northernmost settlement: Ballyhillin, Inishowen Peninsula, County Donegal
• Southernmost point: Fastnet Rock
  Fastnet Rock
  Fastnet Rock is a small island in the Atlantic Ocean and the most southerly point of Ireland. It lies southwest of Cape Clear Island and from County Cork on the Irish mainland...
  
  , County Cork
• Southernmost settlement: Crookhaven
  Crookhaven
  Crookhaven is a village in County Cork, Ireland, on the most southwestern tip of Ireland. A winter population of about forty swells in the summer to about four hundred with the occupants of the many holiday homes arriving.-History:...
  
  , County Cork
• Westernmost point: Tearaght Island
  Tearaght Island
  Tearaght Island or Inishtearaght is an uninhabited steep rocky island west of the Dingle Peninsula, County Kerry, Republic of Ireland. At longitude 10° 39.7' Tearaght is the westernmost of the Blasket Islands, and thus the westernmost island in the Republic of Ireland and the British Isles...
  
  , County Kerry
• Westernmost settlement: Dunquin
  Dunquin
  Dún Chaoin , meaning "Caon's stronghold", is a Gaeltacht village in west County Kerry, Ireland. Dunquin lies at the Western tip of the Dingle Peninsula, overlooking the Blasket Islands. At 10°27'16"W, it is the most westerly settlement of Ireland...
  
  , Dingle Peninsula, County Kerry
• Easternmost point: Lambay Island
  Lambay Island
  Lambay lies off the coast of Fingal / north County Dublin, Ireland in the Irish Sea. It is located north of Ireland's Eye at and is the easternmost point of the Republic of Ireland...
  
  , County Dublin
  County Dublin
  County Dublin is a county in Ireland. It is part of the Dublin Region and is also located in the province of Leinster. It is named after the city of Dublin which is the capital of Ireland. County Dublin was one of the first of the parts of Ireland to be shired by King John of England following the...
  
  
• Easternmost settlement: Wicklow
  Wicklow
  Wicklow) is the county town of County Wicklow in Ireland. Located south of Dublin on the east coast of the island, it has a population of 10,070 according to the 2006 census. The town is situated to the east of the N11 route between Dublin and Wexford. Wicklow is also connected to the rail...
  
  , County Wicklow
  County Wicklow
  County Wicklow is a county in Ireland. It is part of the Mid-East Region and is also located in the province of Leinster. It is named after the town of Wicklow, which derives from the Old Norse name Víkingalág or Wykynlo. Wicklow County Council is the local authority for the county...
  
  

Mainland only

• Northernmost point: Banba's Crown (near Malin Head), Inishowen Peninsula, County Donegal
• Northernmost settlement: Ballyhillin, Inishowen Peninsula, County Donegal
• Southernmost point: Brow Head
  Brow Head
  Brow Head is the most southerly point of mainland Ireland. It is situated 3.8 km east of the marginally more northerly Mizen Head, County Cork, Ireland. It lies at latitude 51.43ºN....
  
   (near Mizen Head), County Cork
• Southernmost settlement: Crookhaven
  Crookhaven
  Crookhaven is a village in County Cork, Ireland, on the most southwestern tip of Ireland. A winter population of about forty swells in the summer to about four hundred with the occupants of the many holiday homes arriving.-History:...
  
  , County Cork
• Westernmost point: Dunmore Head, Dingle Peninsula, County Kerry (or nearby Garraun Point
  Garraun Point
  Garraun Point, on the Dingle Peninsula, County Kerry, Ireland, is the westernmost point of mainland Ireland. It is located 2.5 km northwest of Slea Head. Latitude : 52° 6' 12 N Longitude : 10° 30' 40 W...
  
   according to some sources)
• Westernmost settlement: Dunquin
  Dunquin
  Dún Chaoin , meaning "Caon's stronghold", is a Gaeltacht village in west County Kerry, Ireland. Dunquin lies at the Western tip of the Dingle Peninsula, overlooking the Blasket Islands. At 10°27'16"W, it is the most westerly settlement of Ireland...
  
  , County Kerry
• Easternmost point: Wicklow Head
  Wicklow Head
  Wicklow Head is a headland near the southeast edge of the town of Wicklow in County Wicklow, approximately 3 km from the centre of the town.Geographically, it is the easternmost point on the mainland of the Republic of Ireland.-See also:...
  
  , County Wicklow
• Easternmost settlement: Wicklow
  Wicklow
  Wicklow) is the county town of County Wicklow in Ireland. Located south of Dublin on the east coast of the island, it has a population of 10,070 according to the 2006 census. The town is situated to the east of the N11 route between Dublin and Wexford. Wicklow is also connected to the rail...
  
  , County Wicklow

Altitude

• Highest point: Carrauntoohil, County Kerry
• Lowest point: North Slob
  North Slob
  The North Slob, also known as the Wexford Wildfowl Reserve, is an area of mud-flats at the estuary of the River Slaney at Wexford Harbour, Ireland. The North Slob is an area of 1,000 hectares that was reclaimed in the mid-19th century by the building of a sea wall...
  
  , County Wexford
• Highest settlement: Meelin
  Meelin
  Meelin is a village in northern Duhallow, County Cork, Ireland. At 832 feet above sea level it is thought to be Ireland's highest village although Glencullen, Dublin sits 27.5 metres above Meelin at 922 feet. The village is situated near the border of Cork and Limerick.-History:Fulacht fiadh's are...
  
  , County Cork
• Lowest settlement:

Including islands

• Northernmost point: Rathlin Island
  Rathlin Island
  Rathlin Island is an island off the coast of County Antrim, and is the northernmost point of Northern Ireland. Rathlin is the only inhabited offshore island in Northern Ireland, with a rising population of now just over 100 people, and is the most northerly inhabited island off the Irish coast...
  
  , County Antrim
  County Antrim
  County Antrim is one of six counties that form Northern Ireland, situated in the north-east of the island of Ireland. Adjoined to the north-east shore of Lough Neagh, the county covers an area of 2,844 km², with a population of approximately 616,000...
  
   at 55°18′N 6°14′W
• Northernmost settlement: Rathlin Island
  Rathlin Island
  Rathlin Island is an island off the coast of County Antrim, and is the northernmost point of Northern Ireland. Rathlin is the only inhabited offshore island in Northern Ireland, with a rising population of now just over 100 people, and is the most northerly inhabited island off the Irish coast...
  
  , County Antrim at 55°17′N 6°11′W
• Southernmost point: Cranfield Point
  Cranfield Point
  Cranfield Point is the southernmost point of Northern Ireland. It is located at the mouth of Carlingford Lough in the townland of Cranfield, County Down....
  
  , County Down at 54°1′N 6°3′W
• Southernmost settlement: Greencastle
  Greencastle, County Down
  Greencastle is a castle in County Down, Northern Ireland. It is a royal castle built in the 13th century. It was attacked and taken by Edward Bruce in 1316, attacked at least twice by the Irish in the later 14th century but still maintained as an English garrison in the 1590s...
  
  , County Down at 54°2′N 6°5′W
• Westernmost point: Bradoge Bridge, County Fermanagh
  County Fermanagh
  Fermanagh District Council is the only one of the 26 district councils in Northern Ireland that contains all of the county it is named after. The district council also contains a small section of County Tyrone in the Dromore and Kilskeery road areas....
  
   at 54°27′N 8°10′W
• Westernmost settlement: Belleek
  Belleek, County Fermanagh
  Belleek is a village in County Fermanagh, Northern Ireland. While the greater part of the village lies within County Fermanagh, part of it crosses the border into County Donegal, a part of Ulster that lies in the Republic of Ireland. This makes Belleek the western-most village in the United Kingdom...
  
  , County Fermanagh at 54°48′N 8°08′W
• Easternmost point: Canon Rock, County Down at 54°29′N 5°25′W
• Easternmost settlement: Portavogie
  Portavogie
  Portavogie is a village, townland and fishing port in County Down, Northern Ireland. It had a population of 1,594 people in the 2001 Census. It lies within the Borough of Ards and is the easternmost settlement in Ireland....
  
  , County Down at 54°27′N 5°26′W

Mainland only

• Northernmost point: Benbane Head
  Benbane Head
  Benbane Head is the northernmost point of mainland Northern Ireland. It is located in County Antrim, near to the Giant's Causeway, which is situated between Causeway Head and Benbane Head....
  
  , County Antrim at 55°15′N 6°28′W
• Northernmost settlement: Ballintoy
  Ballintoy
  Ballintoy is a small village in County Antrim, Northern Ireland. It is located alongside the B15 coast road, north-east of Coleraine, west of Ballycastle and between it and Bushmills...
  
  , County Antrim at 55°14′N 6°21′W
• Southernmost point: Cranfield Point
  Cranfield Point
  Cranfield Point is the southernmost point of Northern Ireland. It is located at the mouth of Carlingford Lough in the townland of Cranfield, County Down....
  
  , County Down at 54°1′N 6°3′W
• Southernmost settlement: Greencastle
  Greencastle, County Down
  Greencastle is a castle in County Down, Northern Ireland. It is a royal castle built in the 13th century. It was attacked and taken by Edward Bruce in 1316, attacked at least twice by the Irish in the later 14th century but still maintained as an English garrison in the 1590s...
  
  , County Down at 54°2′N 6°5′W
• Westernmost point: Bradoge Bridge, County Fermanagh at 54°27′N 8°10′W
• Westernmost settlement: Belleek
  Belleek, County Fermanagh
  Belleek is a village in County Fermanagh, Northern Ireland. While the greater part of the village lies within County Fermanagh, part of it crosses the border into County Donegal, a part of Ulster that lies in the Republic of Ireland. This makes Belleek the western-most village in the United Kingdom...
  
  , County Fermanagh at 54°48′N 8°08′W
• Easternmost point: Burr Point
  Burr Point
  Burr Point is the easternmost point of mainland Northern Ireland, and the easternmost point of mainland Ireland. It is located in the townland of Ballyhalbert on the Ards Peninsula in County Down, at longitude 5.43ºW...
  
  , Ards Peninsula, County Down at 55°29′N 5°26′W
• Easternmost settlement: Portavogie
  Portavogie
  Portavogie is a village, townland and fishing port in County Down, Northern Ireland. It had a population of 1,594 people in the 2001 Census. It lies within the Borough of Ards and is the easternmost settlement in Ireland....
  
  , County Down at 54°27′N 5°26′W

Altitude

• Highest point: Slieve Donard
  Slieve Donard
  Slieve Donard is a 850 m mountain in County Down, Northern Ireland. It is part of the Mourne Mountains and the highest peak in Northern Ireland and in the wider province of Ulster. It is the 19th highest peak on the island of Ireland...
  
  , County Down (850 m / 2,789 ft)
• Lowest point:
• Highest settlement:Greencastle
  Greencastle, County Tyrone
  Greencastle is a hamlet in County Tyrone, Northern Ireland. It is within the townland of Sheskinshule . The village sits at a crossroads in the foothills of the Sperrin Mountains with the Owenkillew and Owenreagh rivers running nearby. It had a population of 153 people in the 2001 Census...
  
  , County Tyrone (188 m / 617 ft)
• Lowest settlement:

See also

• Extreme points of the United Kingdom
  Extreme points of the United Kingdom
  This is a list of the extreme points of the United Kingdom: the points that are farther north, south, east or west than any other location. Traditionally the extent of the island of Great Britain has stretched "from Land's End to John o' Groats" .This article does not include references to the...
  
  
• Extreme points of Europe
  Extreme points of Europe
  This is a list of the extreme points of Europe: the geographical points that are higher, farther north, south, east or west than any other location in Europe. Some of these positions are open to debate, as the definition of Europe is diverse....
  
  
• Extreme points of Earth
• Geography of Ireland
  Geography of Ireland
  Ireland is an island in northwest Europe in the north Atlantic Ocean whose main geographical features include low central plains surrounded by a ring of coastal mountains. The highest peak is Carrauntoohil , which is above sea level. The western coastline is rugged, with many islands, peninsulas,...