Slievenabawnogue : Cairn

CountyDublin
Grid RefO 081 226
GPSO 08068 22553 (7m)
Longitude6° 22' 51.75" W
Latitude53° 14' 32.52" N
ITM east480366
ITM north584435
Nearest TownTallaght (4.8 Km)
OS Sheet50
UTM zone29U
UTM x449041
UTM y5761192
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Visit Notes

Sunday, 19th March 2006

A few old books mention possible monuments on the top of Slievnabawnogue, so I decided to head for the top and look around. Today there is nothing but a few possible bumps and ruts and a small modern cairn. Oh ... and a lot of pine trees! Where did they come from? The 3rd Edition of the OS map still shows that the hilltop is free of trees. What did they update on it? Nothing more than roads by the looks of it.

As with the barrow at Ballinascorney Upper (County Dublin) the alignments to many monuments is wonderful. Here you have the added advantage of being able to see the passage tombs on top of Seahan Hill (County Dublin) and you can look down onto the monuments in Belgade Deerpark. The Scotch Pines next to Ballymaice (County Dublin) allow you to spot where that is too.

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Like this monument

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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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