Glenaraneen : Crannog

Grid RefO 032 224
Longitude6° 27' 14.36" W
Latitude53° 14' 31.05" N
ITM east480366
ITM north584435
Nearest TownTallaght (7.6 Km)
OS Sheet50
UTM zone29U
UTM x449041
UTM y5761192
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Visit Notes

Sunday, 24th February 2002

This is such a picturesque little site. It is situated in a small lough at the side of the N81, but I imagine hardly ever gets noticed due to the tress that line the lake.

It appears to be in good shape, still retaining its round outline. The small island is about 100m from the shore and approximately 30m in diameter.

The water level is high at the moment and so I do not know if there is any causeway.

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Like this monument

Marked Sites


There is only one spot to see this crannog from and that is not a nice place to stop. Take the N81 south from Dublin and shortly after you pass the third right turn off you will approach a solid white line down the middle of the road. About 15m before this there is just about enough room to pull in on the left. The lough and the crannog are just to your left here. Good luck.

Random Gazetteer

A Selection of Other Crannogs

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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