Fort Dunree

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Dunree fort
Coast defence guns from World War I at Dunree Fort.

Fort Dunree (Irish: An Dún Riabhach, meaning "Grey Fort"[1] or Dún Fhraoigh meaning "Fort of Heather")[2] is a coastal defence fortification located on the west side of the Inishowen peninsula, Ireland. Originally built as a Royal Navy position during the Napoleonic Wars, the fort is located on a rocky promontory accessed over a natural fissure. It was remodelled in 1895 to have 2 x 4.7 inch (120 mm) QF guns below, and later 12 pounder (5 kg) QF and 2 x 6 inch (152 mm) guns in an upper land battery. The top of a hill overlooking the site was walled in to form a redoubt.

Treaty port[edit]

On 6 December 1921, the Anglo Irish Treaty was concluded. It provided for the establishment of the Irish Free State which happened on 6 December 1922. The Treaty included provisions by which the British would retain sovereignty over three strategically important ports known as the Treaty ports, one of which being described in the Treaty as:[3]

Lough Swilly

(d) Harbour defences to remain in charge of British care and maintenance parties.

Accordingly, even after the establishment of the Irish Free State, the Royal Navy continued to maintain its presence at Fort Dunree. Fort Dunree remained under British sovereignty until 3 October 1938 when, pursuant to the Anglo-Irish Trade Agreement of 25 April 1938, the territory was seceded to Ireland. On 4 October 1938, The Times reported on the handover of Lough Swilly at Fort Dunree on 3 October 1938 as follows:

FORTS HANDED OVER TO EIRE - Britain's last forts in Eire, those on the gale-swept Lough Swilly at Dunree and Leenan, were surrendered to the Eire Defence Forces yesterday. The ceremony at Dunree was witnessed by only a dozen spectators. The Union Jack, was hauled down by two Royal Artillery N.C.O.s and the Eire green, white, and orange flag was run up by two N.C.O.s of the Coastal Artillery Defence Force. The ceremony was brought forward from October 26, the date originally fixed under the Anglo-Irish Pact, on account of the international situation. When the British troops left last evening en route for Shoeburyness, their new headquarters, they were given a cordial send off. By a coincidence Sergeant O'Flynn, of the Royal Artillery, who hauled down the Union Jack, and Sergeant McLaughlin, of the Eire force, who hoisted the tricolour, are brothers-in-law.[4]

Two brothers in-law, one hauling down a Union Jack and the other hauling up an Irish tricolour was indeed a poignant end to the long history of British military presence in the territory of the Irish state. It was also the last time sovereignty over any territory was ceded to Ireland.

Current day[edit]

The guns at the Fort were manned by the Irish Army until decommissioned following World War II.

The fort is now a military museum with detailed exhibitions, many restored guns such as BL 6 inch Mk VII naval gun and an old military camp. There are also displays about the area birds, marine life and coastal vegetation.

Other facilities include a gift shop, auditorium, café and trail walks.


  1. ^ "An Dún Riabhach / Dunree". Placenames Commission of Ireland. Retrieved 8 June 2015. dún:fort, riabhach:streaked/grey 
  2. ^ "Welcome to Fort Dunree". Fort Dunree Website. Retrieved 8 June 2015. Fort Dunree, Dun Fhraoigh in Irish means, “Fort of the Heather” 
  3. ^ Anglo Irish Treaty
  4. ^ The Times, 4 October 1938

External links[edit]

Coordinates: 55°11′48″N 7°33′11″W / 55.196739°N 7.553042°W / 55.196739; -7.553042