Toome : Portal Tomb

CountyDonegal
Grid RefB 792 013
GPSB 79201 01348 (7m)
Longitude8° 19' 26.09" W
Latitude54° 51' 33.87" N
ITM east480366
ITM north584435
Nearest TownGlenties (7.5 Km)
OS Sheet10
UTM zone29U
UTM x449041
UTM y5761192
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Visit Notes

Sunday, 13th March 2005

This was one of the sites I was most looking forward to visiting today and unfortunately it provided the biggest disappointment! Set on a 4m high, narrow platform above a dry stream leading to Toome Lough are the remains of two portal tombs ... if you can find them in the scrub, hazels and brambles. They are set along a west-east axis. The one at the east end is the easiest to find, but is the most ruined - just a few stones exist. I nearly gave up on the second one, but eventually fought my way to it. Letting this magnificent looking monument become so scandalously overgrown is unforgivabale really.

Walking west from the more ruined tomb the portal stones of the other one suddenly appeared. They are well-matched and over 2m tall. A three-quarter-height doorstone stands between them. The chamber lies to the west of these, so the portal faces east, towards the other structure. It's hard to tell what is actually left of the chamber as it is now so overgrown. I think that the capstone rsts upon the still upright walls of it, but I really can not be sure.

Two stones place either side of a gallery, opposite each other, but not touching so as to leave a gap, that are used to segment it into smaller chambers.

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

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Tuesday, 27th July 2010

I had heard that this monument had been cleared of the scrub trees and coppice around it, but my information was slightly wrong. The tombs have been freed up from the trees a bit and it is definitely easier to see more of the structure now.

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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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