Lennan : Portal Tomb

Grid RefH 745 233
Longitude6° 51' 34.5" W
Latitude54° 9' 11.62" N
ITM east480366
ITM north584435
Nearest TownBallybay (3.8 Km)
OS Sheets28, 28B
UTM zone29U
UTM x449041
UTM y5761192
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Visit Notes

Sunday, 16th June 2002

This tomb occupies a ridge-top spot that you would normally associate with a wedge and offers fine views. It is especially attractive when viewed from the road below.

There seems to be a few possibilities as to what stones remain. There are three stones supporting the capstone, but two of these appear that they may be the portals that have 'rolled forward'.

The capstone is really nicely pitted and weathered, but unfortunately now covers a pile of rubbish in the chamber.

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Sunday, 8th June 2003

Just because I was passing close by and I wanted to see all three of the portal tombs in Monaghan one after the other for comparison I stopped off here again.

The image of this tomb sitting on the false skyline above the road is quite unique for a portal tomb and even though I've seen it before still impresses. The grass was very wet here too, but not thigh-soakingly long.

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.

Like this monument

Marked Sites

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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