Sheskin : Portal Tomb

CountyWaterford
Grid RefS 375 200
GPSS 37548 20020 (10m)
Longitude7° 26' 56.95" W
Latitude52° 19' 50.22" N
ITM east480366
ITM north584435
Nearest TownCarrick-On-Suir (3.2 Km)
OS Sheet75
UTM zone29U
UTM x449041
UTM y5761192
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Visit Notes

Sunday, 31st March 2002

This is a totally ruinous monument and not worth stopping off to see. I imagine (and this takes a very good imagination) that it would have been a very fine tomb long ago, but not anymore.

The capstone leans at 60 degrees against a pile of assorted rocks that may have once been part of the tomb. It measures some 4m x 2m.

Click Thumbnail to View Full Size Image

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Sunday, 10th June 2007

I decided that I needed to see these remains again. After reading the description in the Waterford Archaeological Inventory I realised that, in my initil disappointment upon seeing the site for the first time, that I hadn't really looked at what was left.

The remains are, indeed, limited, but there is a bit more left than I'd realised. Next to the fallen capstone there are three stones still standing. These are the two portal stones and a full-height doorstone. The chamber walls are either missing or collapsed. The remaining orthostats are a little over 1m tall.

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

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.

Click Thumbnail to View Full Size Image

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Like this monument

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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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