Carlingford Lough

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Carlingford Lough
Loch Cairlinn
Carlinford / Cairlinfurd Loch
A stone and concrete jetty extends along the shore of a lake between hills under a misty sky
Carlingford Lough
A map of Ireland with a mark indicating the location of Carlingford Lough
A map of Ireland with a mark indicating the location of Carlingford Lough
Carlingford Lough
Loch Cairlinn
Carlinford / Cairlinfurd Loch
LocationRepublic of Ireland – United Kingdom border
Coordinates54°04′24″N 6°11′58″W / 54.0733°N 6.1994°W / 54.0733; -6.1994Coordinates: 54°04′24″N 6°11′58″W / 54.0733°N 6.1994°W / 54.0733; -6.1994
River sourcesNewry River, Newry Canal
Ocean/sea sourcesIrish Sea
Basin countriesNorthern Ireland,
Republic of Ireland
Salinity31.31–33.99 psu
SettlementsCarlingford, Greencastle, Greenore, Killowen, Newry, Omeath, Rostrevor, Warrenpoint
Designated9 March 1998
Reference no.936[1]

Carlingford Lough (Irish: Loch Cairlinn; Ulster Scots: Carlinford Loch[2] or Cairlinfurd Loch)[3] is a glacial fjord or sea inlet that forms part of the border between Northern Ireland to the north and the Republic of Ireland to the south. On its northern shore is County Down and on its southern shore is County Louth. At its extreme interior angle (the northwest corner) it is fed by the Newry River and the Newry Canal.

The name is derived from the Old Norse Kerlingfjǫrðr, which means "narrow sea-inlet of the hag".[4] Historically it was called Cuan Snámh-Aighneach, Snámh-Aighneach or Cuan Cairlinne in Irish.[5] An older English name was Nury (Newry) Bay.[6]


The Newry River and the Newry Canal link the lough to the nearby city of Newry (the canal continues on towards the River Bann and Lough Neagh; the river, under the name River Clanrye, loops around County Down). The only other glacial fjords in Ireland are Lough Swilly and Killary Harbour.[7]

On the northern coast, in County Down, are the coastal towns of Warrenpoint and Rostrevor, backed by the Mourne Mountains. On the southern coast are Omeath, Carlingford and Greenore backed by the Cooley Mountains, all on the Cooley Peninsula in County Louth.


The area has been a tourist destination since Victorian times when the railway between Dublin and Belfast was opened. Situated approximately halfway between the two cities, the access to the area combined with its scenery and sheltered location are still factors in its popularity today.[citation needed]

Flora and fauna[edit]

The northern shores have extensive mudflats and salt marshes which provide winter feeding areas for the pale-bellied brent goose (Branta bernicla hrota).[8] At the mouth of the lough are several small rock and shingle islands which are breeding areas for terns that feed in its shallow waters.[8]

The mouth of Carlingford Lough from Knockree.

Protected areas[edit]

The lough is designated as an Important Bird Area.[9]

The Carlingford Lough Ramsar site (wetlands of international importance designated under the Ramsar Convention), is 830.51 hectares in area, at latitude 54 03 00 N and longitude 06 07 00 W. It was designated a Ramsar site on 9 March 1998. It is a cross-border site, with the northern shore lying within Northern Ireland (including the lough's more extensive mudflats and a salt marsh), and the southern shore lying in the Republic of Ireland (where the Carlingford Lough Special Protection Area falls within the scope of the National Parks and Wildlife Service).[10][11][12]



Newry is the nearest station located on the Dublin-Belfast railway line with trains running on the Enterprise between Belfast Central, Portadown and Dublin Connolly, whilst other trains may call at additional stations en route to Belfast Great Victoria Street.[citation needed]

Until its closure in the early 1950s, the southern side of the lough was served by the Dundalk, Newry and Greenore (DNG) railway line. Sections of this line now form part of the Carlingford Lough greenway.[13][14]


The lough is navigable, and its seaward entrance is marked by the Haulbowline Lighthouse, which was built in 1824.

There is a deep water cargo port at Greenore, and a smaller fishing harbour at Carlingford.[15][16] A commercial marina lies north of Carlingford town, close to the start of the greenway.[17]

See also[edit]


  1. ^ "Carlingford Lough". Ramsar Sites Information Service. Retrieved 25 April 2018.
  2. ^ "North-South Ministerial Council: 2010 Annual Report in Ulster Scots" (PDF). Archived from the original (PDF) on 27 February 2013.
  3. ^ "Jordan's Castle" (PDF). Department of the Environment.
  4. ^ "Carlingford", Placenames Database of Ireland, retrieved 8 December 2011.
  5. ^ Annals of the Kingdom of Ireland: Index (1856)
  6. ^ "Carlingford Lough (Click the archival records button)". Placenames Database of Ireland.
  7. ^ Whittow, J.B. (1974). Geology and Scenery in Ireland. Penguin.
  8. ^ a b "Report - Carlingford Lough Special Protection Area (Site Code 4078) - Conservation Objectives" (PDF). National Parks & Wildlife Service. August 2013. Retrieved 29 May 2020.
  9. ^ "BirdLife International (2015) Important Bird Areas factsheet: Carlingford Lough". Archived from the original on 30 June 2007. Retrieved 2012-10-20.
  10. ^ "Designated and Proposed Ramsar sites in Northern Ireland" (PDF). Joint Nature Conservation Committee. Retrieved 7 July 2008.
  11. ^ "Carlingford Lough Ramsar site". NI Environment Agency. Archived from the original on 23 December 2012. Retrieved 7 July 2008.
  12. ^ "Carlingford Lough SPA". National Parks and Wildlife Service. Retrieved 23 May 2021.
  13. ^ "Great Eastern Greenway / Carlingford Lough Greenway". Northern Ireland Greenways. Retrieved 29 May 2020.
  14. ^ "The Carlingford Lough Greenway - Phase 1 Completed". Newry, Mourne and Down District Council. Retrieved 29 May 2020. Louth County Council has already constructed 6.2km of Greenway from Omeath to Carlingford Marina and this [..] opened in 2014
  15. ^ "Location". Greenore Port Ltd. Retrieved 29 May 2020.
  16. ^ "Carlingford Harbour". eOceanic. Retrieved 29 May 2020.
  17. ^ "Carlingford Marina - Greenway". Retrieved 29 May 2020.

External links[edit]