Drumanone : Portal Tomb

CountyRoscommon
Grid RefG 768 024
GPSG 76782 02361 (5m)
Longitude8° 21' 13.84" W
Latitude53° 58' 11.89" N
ITM east480366
ITM north584435
Nearest TownBoyle (3.8 Km)
OS Sheet33
UTM zone29U
UTM x449041
UTM y5761192
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Visit Notes

Sunday, 16th November 2003

Just getting to this monument is a mini-adventure in itself - you have to walk across a railway line! Once over, though, it is only a matter of yards before you are at this imposing structure.

The capstone is humungous - a massive delta-shaped slab that has slipped backwards slightly, but still rests on the portal stones . This slippage has been caused by a rather flimsy looking sidestone giving way beneath its weight.

The slightly-north-of-east facing portal is impressive. The full height door stone stands between two 2m+ tall uprights.

A metal bar has been placed inside the chamber to prevent the other sidestone collapsing too.

This tomb seems to be poorly represented on the internet, bearly getting a mention, but I can't understand why. It really is a very nice example and far better than some of the signposted ones I've been to.

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.

Click Thumbnail to View Full Size Image

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Monday, 25th October 2004

I realised that we could take an alternative route home and see this massive tomb on the way. The walk up the track was a muddy one and once over the railway lines it was far, far worse: This wasn't just mud we were walking through!

Nevertheless, this crooked monster greeted us in fine style by standing proud bathed in sunlight. Actually, this isn't what I wanted. The last time I was here the tomb was casting heavy shadows and photographing it wasn't easy. Luckily the sun went behind some clouds and I could take some pictures.

Click Thumbnail to View Full Size Image

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Like this monument

Marked Sites

Directions

From Boyle take the R294 west, being careful not to continue along the R295. About 400m after you pass beneath the railway line you will see a small cottage on the right. Park here. Walk up the path to the railway line and cross over (please be careful!). Once through the far gate the tomb is in the field on your left.

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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