'Heapstown Cairn' : Cairn

Grid RefG 773 163
Longitude8° 20' 49.17" W
Latitude54° 5' 42.84" N
ITM east480366
ITM north584435
Nearest TownBallyfarnon (9.7 Km)
OS Sheet25
UTM zone29U
UTM x449041
UTM y5761192
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Visit Notes

Sunday, 29th December 2002

Everyone says that this is big ... well they're wrong! It's MASSIVE !!!!!!

I couldn't believe the size of it when I saw it from the road and as I approached it just got bigger and bigger. It is easily as big as Cairn B at Loughcrew - Newtown (County Meath) and nearly as big as Dowth (County Meath). I walked around it, sadly county my paces .. 225! That makes it around 70m in diameter and it is easily 10m high or more.

The kerb , where it shows, is made of enormous stones. The actual cairn has been attacked and robbed away in sections, but even the great dents in it have not reduced its presence by much.

There is much speculation as to whether there is a passage tomb inside or not. I think, given its location, there simply must be. I certainly hope there is.

A kerb is a ring of stones placed around the perimeter of a burial mound or cairn. It basically serves the purpose of a retaining wall to keep the cairn or earth in place. Kerbs are usually associated with passage tombs, but do occur on court tombs and wedge tombs too.

Sometimes on passage tombs the stones can bear decoration, such as at Newgrange (County Meath).

Click Thumbnail to View Full Size Image


Sunday, 16th March 2003

We just did a driveby today to show Uta, my partner, the vastness of this monster pile of rocks. It's amazing to see it tower over the bungalow in front of it.

Like this monument

Marked Sites

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A Selection of Other Cairns

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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