Family commitments meant that I couldn't do much today, so my wife and I went to Glendalough for the afternoon. Apart from wandering around the rest of the site, I finally managed to visit this lovely church ruin.
The graveyard around it is quite lovely - lots of old crosses and graveslabs. The walk up to it is also really nice, as the approach is up a little sunken path flanked by drystone walling. The remains of the church are quite scant, but the doorway, a couple of the windows on the south face, the east window and a lovely chancel arch are still present. It also appears not to have been messed around with too much either, or it's been rebuilt well.
The chancel looks as if it was added to the main section some time after initial construction. On all the corners there are fine, undecorated corbels, which would have supported a projecting roof.
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This is an explanation of (and a bit of a disclaimer for) the coordinates I provide.
Where a GPS figure is given this is the master for all other coordinates. According to my Garmin these are quite accurate.
Where there is no GPS figure the 6 figure grid reference is master for the others. This may not be very accurate as it could have come from the OS maps and could have been read by eye. Consequently, all other cordinates are going to have inaccuracies.
The calculation of Longitude and Latitude uses an algorithm that is not 100% accurate. The long/lat figures are used as a basis for calculating the UTM & ITM coordinates. Consequently, UTM & ITM coordinates are slightly out.
UTM is a global coordinate system - Universal Transverse Mercator - that is at the core of the GPS system.
ITM is the new coordinate system - Irish Transverse Mercator - that is more accurate and more GPS friendly than the Irish Grid Reference system. This will be used on the next generation of Irish OS maps.