Castlegar Castle was a four storey Norman castle built by Richard De Burgo (Burke), 4th Earl of Clanricarde, after his son was beheaded by the O’Flaherty clan due to a dispute over paying of taxes. 

It was said that De Burgo only ever spent one night in the Castle before residing in Portumna Castle instead. It was recorded that in 1574, the Castle was held by Roland Skerrit. Unfortunately only half of the south east wall of the tower remains today but still displays features such as a beautiful stone arch and a number of narrow slit defensive windows.


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