Newmarket : Portal Tomb

Grid RefS 504 353
Longitude7° 15' 29.96" W
Latitude52° 28' 0.86" N
ITM east480366
ITM north584435
Nearest TownMullinavat (12.4 Km)
OS Sheet67
UTM zone29U
UTM x449041
UTM y5761192
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Visit Notes

Tuesday, 18th December 2001

This is sad to see. Three slabs loosely leaning upon one another for support as if huddled together either sobbing or just hiding in shame. Perhaps they are conspiring to seek vengeance upon whoever ruined their previous form, whatever they may be doing they certainly aren't worth a special visit.

It is truly impossible to imagine what these three forlorn stones may once have formed.

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Marked Sites


From Kilkenny take the N10 south and then head west along the R669. After just over 3.5km along the road there is a left turn, take this and after about 500m look into the fields through the gates. When you see three slabs of rock you've found it.

Random Gazetteer

A Selection of Other Portal Tombs

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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