Aghawee : Portal Tomb

Grid RefN 437 928
GPSN 43743 92822 (7m)
Longitude7° 20' 5.05" W
Latitude53° 52' 58.58" N
ITM east480366
ITM north584435
Nearest TownKilnaleck (2.5 Km)
OS Sheet34
UTM zone29U
UTM x449041
UTM y5761192
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Visit Notes

Sunday, 15th April 2007

This is another of those monuments that really should be better known. It also should be cleared of the brambles that obscure the front. Sadly, it's impossible to see the the portal stones and doorstones from the front. You can just about tell that the portal stones are set inside the wall stones of the chamber . Looking through the back you can see the silhouette of the slim, full-height doorstone.

The monument is pretty large. The top of the capstone (which has broken in two) is over 2m high. The chamber is roughly 2m long, 1.5m wide and 1.5m tall.

Standing back at the road and looking over the tomb you can see the beautifully round-topped Ardkill More hill to the north. Presumably, if the trees directly in front of the tomb were removed then you'd be able to see Slieve Glah due north.

Portal stones are a pair of upright stones that form the 'entrance' to a portal tomb. They are usually well matched, being of even dimensions. As well as forming this doorway they also act as the front support for the capstone and are usually taller than the stones that form the chamber.

Often there is a door stone in between them blocking off access to the chamber within.

A compartment in a tomb in which burials were placed. In court tombs and wedge tombs a chamber is a sub-division of the burial gallery. Portal tombs have single chambers and passage tombs can have anything from one to five chambers, although usually passage tombs are considered to have a main chamber with extra subsidary chambers.

The large rock used to form the roof of a portal tomb or kist.

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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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