|Derrynablaha 16 - Rock Art|
This is a great panel of rock art. It is a massive block of stone with an east facing slope on which the motifs occur. Unusually, the motifs are only along the southern edge of the face.
There are seven cup-and-rings and some scattered pecking. At the east (lower) end of the group there is a single cup-and-ring. At the west end there is a group of three cup-and-rings. The others are spread out along the edge of the stone.
Another panel next to the main one has a single cup-and-ring set almost centrally, but my photos of this didn't turn out.
Like many of the panels in Derrynablaha, these two either face towards or away from the mountain pass to the east.
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As this is the easiest panel to see from the road and the easiest to reach (a track leads straight to it), we decided to head here first. Not the greatest of panels, but a good starting point to get the anticipation building. I also wanted to get a photo of the single cup-and-ring on the panel next to the main rock.
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.