Caherballykinvarga : Stone Fort

Grid RefR 201 947
Longitude9° 11' 24.58" W
Latitude52° 59' 49.58" N
ITM east480366
ITM north584435
Nearest TownKilfenora (1.9 Km)
OS Sheet51
UTM zone29U
UTM x449041
UTM y5761192
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Visit Notes

Sunday, 27th October 2002

Now this is a really impressive site. The walls, which are constructed of very large limestone blocks, still stand to 4.5m in places. It measures around 40m in diameter, but is actually slighty oval. Within the 6m thick walls, upon the enclosure floor, you can just about see traces of where building once stood.

However, for me the best feature is without these walls. Spreading to a depth of around 20m is a field of sharp upright stones, a 'chevaux-de-frise', which was to give protection against cavalry. It would also have severely hampered the approach of foot soldiers too - I had to be very careful when crossing this area and I wasn't having arrows and stones slung at me!

Also at the edge of these stones, which are around 60cm high, is a large monolith some 1.7m tall. This really does look like an older standing stone or perhaps part of a tomb. The latter is more likely when the large block at its foot is also considered.

Like this monument

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About Coordinates Displayed

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.

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