Ireland topographic maps

Average elevation: 86 m

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Average elevation: 441 m

Average elevation: 65 m

Average elevation: 15 m

Glaciers also deposited numerous granite and limestone erratics on the pavements. The former were carried south across Galway Bay by the second-to-last glaciation. Granite boulders can be found mostly in the north of the Burren. The final ice cover came from the northeast and mostly deposited limestone…

Average elevation: 69 m

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Average elevation: 57 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: 38 m

Average elevation: 112 m