Tullymally : Stone Row or Alignment

CountyDown
Grid RefJ 626 523
GPSJ 62645 52280 (5m)
Longitude5° 29' 44.13" W
Latitude54° 23' 34.92" N
ITM east480366
ITM north584435
Nearest TownPortaferry (3.5 Km)
OS Sheet21
UTM zone29U
UTM x449041
UTM y5761192
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Visit Notes

Sunday, 12th February 2006

These stones look good from the road below to the south, but are disappointing and confusing when you are up close.

There is one large standing stone that is about 1.7m tall and 70cm square in section still standing. Around its base there is a lot of field clearance debris and a couple of larger stones that could have been part of whatever monument once stood here. It may even have been a portal tomb .

Standing stones, also called menhirs or monoliths, are the most simple of megalithic monuments. They are exactly what they say, a stone that stands with one end set into the ground. Being simple in form does not make them simple to understand, for they have served several purposes over time. Some were placed to mark burials, others were probably erected to mark boundaries or travel routes, the purpose of others is uncertain, but it may well have been ritual.

Standing stones can vary enormously in size from a under 1m tall to over 4m. Some have been purposely shaped (see Stone Of Destiny (County Meath)) and some must have been chosen purely for their shape (see Ballyvatheen (County Kilkenny)). Most standing stones are dated to be from the Bronze Age, but some are clearly older, especially those associated with passage tombs such as at Knowth (County Meath) and Loughcrew - Corstown (County Meath).

Others have been re-used in later times (see Kilnasaggart (County Armagh) and Breastagh (County Mayo)), perhaps to try and capture some of the powers of the old gods or to legitamise a claim to land.

Portal tombs are what most people wrongly refer to as dolmens. They are, to me at least, the most strikingly designed of the megalithic tombs. They are called portal tombs because they have two large upright stones, usually very well matched, in front of the chamber that seem to form a doorway.

Resting upon the portal stones and the chamber a large capstone rests (sometimes there are two capstones - see Knockeen (County Waterford)), usually at an angle of around 22 degrees from the horizontal. Although these were originally incorporated into one end of a long cairn there are none left in this state today, although traces of the cairn can sometimes be seen upon the ground. The portal stones can be up to 3.5m tall, which combined with a thick capstone can produce an imposing monument over 5m tall. Capstones can reach in excess of 70 tonnes, with that of Browne's Hill (County Carlow) being estimated at over 120 tonnes.


Often betwen the portal stones there is a door slab, blocking the width of the entrance, but not always the full height. Door slabs are either half height, three quarter height or full height, describing the amount of the portal that they obstruct. All portal tombs would have had door slab, but this has often been removed to facilitate entry into the chamber.

Quite rarely the portal stones are the same height as the chamber and the characteristic slope of the capstone is created by the profile of the capstone (see Glendruid (County Dublin)).

Click Thumbnail to View Full Size Image

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A Selection of Other Stone Rows or Alignments

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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