Lough Melvin topographic map

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Average elevation: 480 m

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Average elevation: 169 m

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Average elevation: 82 m

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: 310 m

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Average elevation: 56 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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Average elevation: 87 m

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Average elevation: 47 m

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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Average elevation: 572 m

Caher is the 200th–highest mountain in Britain and Ireland on the Simm classification. Caher is regarded by the Scottish Mountaineering Club ("SMC") as one of 34 Furths, which is a mountain above 3,000 ft (914.4 m) in elevation, and meets the other SMC criteria for a Munro (e.g. "sufficient separation"), but…

Average elevation: 617 m

Average elevation: 25 m

Average elevation: 3 m

Average elevation: 90 m