54°24′28.7″N 5°21′59.6″W / 54.407972°N 5.366556°W[1] Cannon Rock is a skerry in the North Channel off the coast of the Ards Peninsula near Cloughey, County Down, Northern Ireland. It is the easternmost named point of Ireland. Cannon Rock is east of South Rock, on which there is a disused lighthouse.[2]
- ^ "Aids to Navigation Review 2010–2015". General Lighthouse Authorities of the United Kingdom and Ireland. 2010. p. 103. Archived from the original on 4 June 2012. Retrieved 18 September 2010.
- ^ Portaferry Lifeboat - Rescues "Lifeboat was requested to go to the aid of a 30 ft (9 m) yacht aground on the Canon [sic] Rock, close by the disused South Rock lighthouse tower"