List of Irish lochs and loughs
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This is an alphabetical list of loughs (lakes) on the island of
Ireland Ireland ( ; ga, Éire ; Ulster-Scots: ) is an island in the North Atlantic Ocean, in north-western Europe. It is separated from Great Britain to its east by the North Channel, the Irish Sea, and St George's Channel. Ireland is the s ...
. It also shows a table of the largest loughs. The word ''
lough ''Loch'' () is the Scottish Gaelic, Scots and Irish word for a lake or sea inlet. It is cognate with the Manx lough, Cornish logh, and one of the Welsh words for lake, llwch. In English English and Hiberno-English, the anglicised sp ...
'' is pronounced like ''loch'' () and comes from the Irish ''loch'', meaning ''lake''. According to the
Environmental Protection Agency A biophysical environment is a biotic and abiotic surrounding of an organism or population, and consequently includes the factors that have an influence in their survival, development, and evolution. A biophysical environment can vary in scale ...
, there are an estimated 12,000 lakes in the
Republic of Ireland Ireland ( ga, Éire ), also known as the Republic of Ireland (), is a country in north-western Europe consisting of 26 of the 32 counties of the island of Ireland. The capital and largest city is Dublin, on the eastern side of the island. ...
, covering an area of more than 1,200 square kilometres. The largest lough, by area, in
Ireland Ireland ( ; ga, Éire ; Ulster-Scots: ) is an island in the North Atlantic Ocean, in north-western Europe. It is separated from Great Britain to its east by the North Channel, the Irish Sea, and St George's Channel. Ireland is the s ...
is
Lough Neagh Lough Neagh ( ) is a freshwater lake in Northern Ireland and is the largest lake in the island of Ireland, the United Kingdom and the British Isles. It has a surface area of and supplies 40% of Northern Ireland's water. Its main inflows come ...
.
Lough Corrib Lough Corrib ( ; ) is a lake in the west of Ireland. The River Corrib or Galway River connects the lake to the sea at Galway. It is the largest lake within the Republic of Ireland and the second largest on the island of Ireland (after Lough Nea ...
is the second largest, and is the largest in the Republic. The largest lough, by water volume, is Lough Neagh, with
Lough Mask Lough Mask () is a limestone lake of about in Counties Mayo and Galway, Ireland, north of Lough Corrib. Lough Mask is the middle of the three lakes, which empty into the Corrib River, through Galway, into Galway Bay. Lough Carra flows into ...
being the largest in the Republic. The list below contains only those loughs that are of geographic, geological, or historical importance and almost all of them are over a square kilometre in area. It includes loughs that are in
Northern Ireland Northern Ireland ( ga, Tuaisceart Éireann ; sco, label=Ulster Scots dialect, Ulster-Scots, Norlin Airlann) is a part of the United Kingdom, situated in the north-east of the island of Ireland, that is #Descriptions, variously described as ...
and the
Republic of Ireland Ireland ( ga, Éire ), also known as the Republic of Ireland (), is a country in north-western Europe consisting of 26 of the 32 counties of the island of Ireland. The capital and largest city is Dublin, on the eastern side of the island. ...
. Those partly or wholly within Northern Ireland are marked with an asterisk (*).


Largest Irish lakes

The largest freshwater loughs in Ireland are:
Muckross Lake Muckross Lake (), also called Middle Lake or The Torc, is a lake in Killarney National Park, County Kerry, Republic of Ireland, Ireland. It is one of the three famous Lakes of Killarney, along with Lough Leane and Upper Lake, Killarney, Upper La ...
(the middle lake of the Killarney lakes) is the deepest Irish lake, with a maximum depth of 75 metres.Glen Fia: Lakes of Killarney
/ref> (Volume = Area * Mean Depth)


Freshwater lakes

Lakes with the county/counties where they are situated and their area in square kilometres. Most of the Republic of Ireland lake areas are taken from the Environmental Protection Agency's ''A Reference based Typology and Ecological Assessment System for Irish Lakes'' (pp. 10–13)


Brackish loughs

An example of a
brackish Brackish water, sometimes termed brack water, is water occurring in a natural environment that has more salinity than freshwater, but not as much as seawater. It may result from mixing seawater (salt water) and fresh water together, as in estua ...
lagoon is
Lady's Island Lake Lady's Island Lake () is a brackish lake in the south of County Wexford, Ireland. The lake is technically a back-barrier seepage lagoon, one of only two in Ireland. The other is nearby Tacumshin Lake. The lake has no natural outlet, but is sepa ...
,
County Wexford County Wexford ( ga, Contae Loch Garman) is a county in Ireland. It is in the province of Leinster and is part of the Southern Region. Named after the town of Wexford, it was based on the historic Gaelic territory of Hy Kinsella (''Uí C ...


Turloughs

* Loughareema, County Antrim* * Glenamaddy Turlough, County Galway *
Rahasane Turlough Rahasane turlough is a turlough (an intermittent lake), west of Craughwell in southwest County Galway. It is the largest surviving turlough in Ireland. A turlough is a karst lake, which has no surface outlet and is surrounded on all sides by r ...
, County Galway * Shannon Pot, County Cavan


Reservoirs

* Poulaphouca Reservoir, County Wicklow *
Silent Valley Reservoir The Silent Valley Reservoir is a reservoir located in the Mourne Mountains near Kilkeel, County Down in Northern Ireland. It supplies most of the water for County Down, surrounding counties and most of Belfast. It is owned and maintained by Northe ...
, County Down* *
Spelga Reservoir Spelga Reservoir is a reservoir in the townland of Spelga () in the Mourne Mountains of County Down, Northern Ireland. It was formed by the Spelga Dam and sits at over above sea level. It has a volume of 2,700,000 cubic metres and a catchment a ...
, County Down* *
Vartry Reservoir Vartry Reservoir ( ga, Taiscumar Fheartraí) is a reservoir at Roundwood in County Wicklow, Ireland. The water is piped from Vartry to a large open service reservoir in Stillorgan in the southern suburbs of Dublin. The reservoir is operated by ...
, County Wicklow


Sea loughs

*
Belfast Lough Belfast Lough is a large, intertidal sea inlet on the east coast of Northern Ireland. At its head is the city and port of Belfast, which sits at the mouth of the River Lagan. The lough opens into the North Channel and connects Belfast to ...
, between County Antrim and County Down* *
Strangford Lough Strangford Lough (from Old Norse ''Strangr Fjörðr'', meaning "strong sea-inlet"PlaceNames N ...
, County Down* *
Lough Foyle Lough Foyle, sometimes Loch Foyle ( or "loch of the lip"), is the estuary of the River Foyle, on the north coast of Ireland. It lies between County Londonderry in Northern Ireland and County Donegal in the Republic of Ireland. Sovereignty over ...
, between County Donegal and County Londonderry* *
Galway Bay Galway Bay ( Irish: ''Loch Lurgain'' or ''Cuan na Gaillimhe'') is a bay on the west coast of Ireland, between County Galway in the province of Connacht to the north and the Burren in County Clare in the province of Munster to the south; Galw ...
, County Galway * Lough Hyne, County Cork *
Larne Lough Larne Lough, historically Lough Larne (), is a sea loch or inlet in County Antrim, Northern Ireland. It lies between the Islandmagee peninsula and the mainland. At its mouth is the town of Larne. It is designated as an area of special scien ...
, County Antrim* *
Lough Mahon Lough Mahon () is a sea lough in the north-western part of Cork Harbour. Its area is about . Several Cork suburbs, such as Mahon, Douglas, Rochestown, Blackrock and Ballinlough as well as the town of Passage West are on its southern and west ...
, County Cork *
Shannon Estuary The Shannon Estuary ( gle, Inbhear na Sionainne) is a large estuary where the River Shannon flows into the Atlantic Ocean. The estuary has Limerick City at its head and its seaward limits are marked by Loop Head to the north and Kerry Head to th ...
, Munster * Tralee Bay, County Kerry *
Waterford Harbour Waterford Harbour ( gle, Loch Dá Chaoch / Cuan Phort Láirge) is a natural harbour at the mouth of the Three Sisters; the River Nore, the River Suir and the River Barrow in Ireland. It is navigable for shipping to both Waterford and New Ross ...
, County Waterford *
Wexford Harbour Wexford Harbour ( gle, Loch Garman) in County Wexford, Ireland is the natural harbour at the mouth of the River Slaney. In earlier times, the area occupied by the harbour was considerably larger than it is today, up to ten miles (16 km) wi ...
, County Wexford


Fjords

*
Carlingford Lough Carlingford Lough (, Ulster Scots: ''Carlinford Loch'') is a glacial fjord or sea inlet in northeastern Ireland, forming part of the border between Northern Ireland to the north and the Republic of Ireland to the south. On its northern shore i ...
, between County Louth and County Down* *
Lough Swilly Lough Swilly () in Ireland is a glacial fjord or sea inlet lying between the western side of the Inishowen Peninsula and the Fanad Peninsula, in County Donegal. Along with Carlingford Lough and Killary Harbour it is one of three glacial fjords ...
, County Donegal * Killary Harbour, between County Mayo & County Galway


See also

*
Rivers of Ireland Shown here are all the major rivers and tributaries of Ireland with their lengths (in kilometres and miles). Starting with the Northern Ireland rivers, and going in a clockwise direction, the rivers (and tributaries) are listed in regard to their ...
*
List of rivers in Ireland A ''list'' is any set of items in a row. List or lists may also refer to: People * List (surname) Organizations * List College, an undergraduate division of the Jewish Theological Seminary of America * SC Germania List, German rugby union ...
* List of loughs of County Mayo *
Lake-burst A lake-burst ( sga, tomaidm, tomaidm, ga, tomhaidhm, tomhaidhm) is a phenomenon referred to in Irish mythology, in which a previously non-existent lake comes into being, often when a grave is being dug. Part of the lake-burst stories may originat ...


References

{{DEFAULTSORT:List Of Loughs In Ireland *List
Ireland Ireland ( ; ga, Éire ; Ulster-Scots: ) is an island in the North Atlantic Ocean, in north-western Europe. It is separated from Great Britain to its east by the North Channel, the Irish Sea, and St George's Channel. Ireland is the s ...
Northern Ireland geography-related lists
Northern Ireland Northern Ireland ( ga, Tuaisceart Éireann ; sco, label=Ulster Scots dialect, Ulster-Scots, Norlin Airlann) is a part of the United Kingdom, situated in the north-east of the island of Ireland, that is #Descriptions, variously described as ...
Loughs ''Loch'' () is the Scottish Gaelic, Scots and Irish word for a lake or sea inlet. It is cognate with the Manx lough, Cornish logh, and one of the Welsh words for lake, llwch. In English English and Hiberno-English, the anglicised spellin ...