'Bolin Island' : Crannog

TownlandLough Gur
Grid RefR 646 413
Longitude8° 31' 17.72" W
Latitude52° 31' 19.22" N
ITM east480366
ITM north584435
Nearest TownBruff (5.2 Km)
OS Sheet65
UTM zone29U
UTM x449041
UTM y5761192
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Visit Notes

Sunday, 28th April 2002

This crannog is visible from the car park/driveway that leads up to the visitors center. Since the lake level was lowered it is no longer isolated from the shore and may be reached easily if the lough level is low.

It is now covered in trees and its form hard to judge, but it looks circular. It was constructed by placing a circle of stones in the water and filling up the center with brushwood and soil.

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Marked Sites


From Limerick take the R512 and then the R514 following the signs for The Lough Gur Centre. Drive as far up the car park as you can. The crannog is in the corner of the lough very close to the car park.

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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