Treenearla Commons : Cairn

CountyWaterford
Grid RefS 273 019
GPSS 27264 01893 (5m)
Longitude7° 36' 5.33" W
Latitude52° 10' 5.9" N
ITM east480366
ITM north584435
Nearest TownDungarvan (9 Km)
OS Sheets75, 82
UTM zone29U
UTM x449041
UTM y5761192
Hide map  (N.B. Google Maps & GPS readings are slightly out of sync - position is approximate)
Show inline map (by Google Maps)

Visit Notes

Sunday, 27th August 2006

This is a large cairn that is made of large stones. The pile is 20m across and 2m high. As far as the eye can see there are large rocks scatterred around the heathland - it certainly wasn't a difficult job for the builders of this cairn to find the material to build it.

It is built on the top of a low spur at the southern end of the Monavullagh Mountains and looks out towards Crohaun, the southernmost peak in these mountains. To the northeast the 593m high Farbreaga Mountain dominates the skyline.

A cairn is a large pile of stones, quite often (but not always) containing a burial. Sometimes they have a kerb around the base.

Most cairns are hemi-spherical (like half a football), but the piles of stones used to cover wedge tombs, court tombs and portal tombs are also called cairns. When associated with these types of monument they are not always round, but sometimes rectangular or trapezoidal.

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Like this monument

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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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