Aghnacliff : Portal Tomb

Grid RefN 263 887
Longitude7° 36' 1.3" W
Latitude53° 50' 49.48" N
ITM east480366
ITM north584435
Nearest TownArvagh (8.7 Km)
OS Sheet34
UTM zone29U
UTM x449041
UTM y5761192
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Visit Notes

Sunday, 7th April 2002

This is another tomb that I can remove from my 'must see' list, but I must put it straight onto my 'must see again' list. This is because of two reasons - firstly I visited this at the end of the day and the sun was very low and casting huge shadows, secondly it is fantastic!

This beast of a sepulchre towers at lest 5m high and has the two largest rocks that I have ever seen balanced on top of each other for roof stones. From behind is does actually look as if the one sits upon the other, but infact the larger one rests on the front uprights (2m+ high) and the smaller (but still large) rear capstone.

Another classical thing about this site is that you first see it from above as you cross the fields and enter through the gate. The protection sign is too close but by carefully standing someone in front of it you will avoid having it ruin your shot. Definitely come and see this tomb.

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Saturday, 28th September 2002

I was really happy to be coming back here. I love the place, although I do get a tinge of "it's broken" when I think about the missing portal stone. We arrived at the right time of day for this site at around 1 pm. The sun is perfect and it really tried to break through the patchy cloud to accomodate us.

A superb place to spend an hour. This one shot to the top of Julian's favourite dolmen list - I find it hard to argue.

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The name Aghnacliff possibly derives from "Achadh na Cloiche" which means "Field of the Stones"

Random Gazetteer

A Selection of Other Portal Tombs

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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