Suir topographic map

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Greystones is located south of the site of an ancient castle of the Barony of Rathdown. There was a hamlet which, like Rathdown Castle, was known as Rathdown, and which appeared on a 1712 map. This site occupied an area now known as the Grove, north of Greystones harbour, but only the ruins of a chapel, St.…

Average elevation: 49 m

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Average elevation: 493 m

Blanchardstown was a predominantly rural area, with a small village, in western County Dublin, alongside the neighbouring district of Castleknock. Both areas shared a common history until well into the 19th century, when their development diverged. In A Topographical Dictionary of Ireland, published in 1837,…

Average elevation: 61 m

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As the word Castle did not come into use in Ireland until Norman times we know that Castleknock is a name of comparatively recent origin. Documents from the 12th and 13th centuries refer to the place as Castrum Cnoc, simply Cnoc and also Chastel-cnoc or Castel-Cnoc. So it seems that the name Castleknock is…

Average elevation: 55 m

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