Garran : Portal Tomb

CountyMonaghan
Grid RefH 597 257
Longitude7° 5' 8.25" W
Latitude54° 10' 36.2" N
ITM east480366
ITM north584435
Nearest TownNewbliss (3.9 Km)
OS Sheets27, 28A
UTM zone29U
UTM x449041
UTM y5761192
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Visit Notes

Sunday, 8th June 2003

This was (eventually) a pleasant surprise. Why eventually? Because it is marked on the map in the wrong place!

But what a great place it actually is! Apart from the displace capstone the tomb is intact. The capstone has just been tipped off to one side, and it's massive. Both of the portal stones and all of five of the stones forming the chamber are in situ. The righthand portal stone has split into two parts, so perhaps it is best that the weight of the enormous stone has been removed from it.

The tomb is incorporated into a field all and some quirky steps lead up the wall and then down between the 1.4m high portal stones. There is no doorstone. Two 70cm high stones form each side of the 2m long chamber, which is finished off by a low backstone.

This is a remarkably good monument, especially for Monaghan.

If you want to try to find it then ask at the white farmhouse on the brow of the hill, the tomb is located just behind their garden and not on the side of the road some 200m away as the OS maps indicate.

Click Thumbnail to View Full Size Image

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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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