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Donegal
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Donegal Castle Ruins of the Franciscan Donegal Abbey, Donegal, Ire.
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Tower Bridge over the Thames River in London, England. Opened in 1894. Remains an Important Traffic Route with 40,000 Crossings Every Day.
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Irish:
Dún na nGall (“Fort of the Foreigners”)
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Donegal Castle
Donegal Castle Donegal Castle in Donegal, Ire.

Donegal

Ireland
Also known as: Dún Na nGall
Written and fact-checked by
Britannica Editors
Encyclopaedia Britannica's editors oversee subject areas in which they have extensive knowledge, whether from years of experience gained by working on that content or via study for an advanced degree....
Britannica Editors
Last updated
•History

News •

Michael Murphy can now retire from Donegal without a question hanging over him • Nov. 6, 2026, 5:55 AM ET (Irish Times)
Disruption across island of Ireland as Storm Boelo hits • Oct. 24, 2026, 6:14 PM ET (BBC)

Donegal, seaport and market town, County Donegal, Ireland, on the River Eske at the head of Donegal Bay. It is famed for its historic associations and picturesque environs. South of the town are the ruins of the Franciscan Donegal Abbey (founded 1474). Donegal Castle, a stronghold of the O’Donnells, was rebuilt in the early 17th century. The town is noted for its handwoven tweed. Pop. (2002) 2,453; (2011) 2,607.

This article was most recently revised and updated by Amy Tikkanen.
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