Inishcealtra : Bullaun Stone

Grid RefR 700 851
GPSR 69998 85070 (5m)
Longitude8° 26' 45.79" W
Latitude52° 54' 56.45" N
ITM east480366
ITM north584435
Nearest TownMountshannon (2.1 Km)
OS Sheet58
UTM zone29U
UTM x449041
UTM y5761192

This is a subsite of:

Holy Island - Inishcealtra - Lake or Island
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Visit Notes

Sunday, 3rd July 2005

One of the oddities on the island is not actually on the island, but a few metres offshore. On the east side of the island, in the water, is this bullaun stone. It has a single small bullaun carved in a natural ledge on the upper surface.

It is significantly different to the other bullauns on the island in that the boulder is not flat-topped and the bullaun is only 15cm across. All of the others are significantly different.

Its very difficult to fight your way down to the shore and find this stone, but it is worth the effort. For me it was even worth getting very wet feet and wading out to the stone to take a proper look.

I believe that this bullaun formed part of the pattern performed during pilgrimages, where the pilgrims would walk around it several times barefoot.

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Like this monument

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A Selection of Other Bullaun Stones

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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