Glencloghrea : Portal Tomb

Grid RefS 689 277
Longitude6° 59' 15.67" W
Latitude52° 23' 47.73" N
ITM east480366
ITM north584435
Nearest TownNew Ross (3 Km)
OS Sheet76
UTM zone29U
UTM x449041
UTM y5761192
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Visit Notes

Sunday, 6th April 2003

This tomb used to stand in a thicket, but is now in an open field with a herd of cows. It occupies a position on the west slope of a low hill some way above a small stream. The portal, now just represented by one portal stone and the doorstone, faces up the hill towards the east.

The chamber has collapsed and the 2.5m long capstone rest on the doorstone and the flattened backstone, which has fallen inwards. The 1.6m doorstone tall is full height and the portal stone is very deep (standing proud of the doorstone by almost 1.5m). The top of the remaining portal stone is angled, giving a very good idea of how the capstone was formerly positioned.

The cows in this field were a little edgy. There were very many newly born and very curious calves in the field, who at one point charged towards my tripod and camera while I was 20m away investigating the tomb more closely.

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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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